tuki. — Biography and Discography
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Biography
tuki.（つき） is a Japanese female singer-songwriter who has been active since 2023. Specializing in J-Pop, Pop, Ballad, and Alternative Pop, she has established herself as a significant figure in the contemporary music scene while maintaining a private identity.
Her journey began at the age of 13 when she started posting busking covers on TikTok, where she quickly gained over 600,000 followers. Her remarkable vocal ability and expressive performance style became a viral sensation, with one of her videos reaching over 22.4 million views. This digital presence served as the foundation for her official debut in September 2023 with the single 『晩餐歌』.
Following her debut, tuki. achieved rapid success, reaching the number one spot on Spotify’s “Viral Top 50 - Japan,” Apple Music’s “Top Songs,” and the Billboard Japan Hot 100 as the youngest solo artist to do so. She also set a record for exceeding 200 million total streams as a solo artist. Her career continued to soar in 2024 with the releases of 『サクラキミワタシ』 and 『地獄恋文』, eventually earning her a Special Award at the 66th Japan Record Awards and her first appearance on the 75th NHK Kohaku Uta Gassen. In 2025, she released her first full album, 『15』, and secured notable tie-ups including the theme song 『騙シ愛』 for the TBS drama 『キャスター』 and 『人生讃歌 - Song of Life』 for the film 『愚か者の身分』.
Rooted in a busking style, tuki.’s music is characterized by its expressive delivery and acoustic foundations. While her early work focused primarily on lyrical ballads, her repertoire has expanded to include a wide range of genres, from up-tempo pop to rock-influenced tracks. She is known as a “mysterious singer-songwriter” because she keeps her face and personal details private, yet she actively engages with her audience through social media to influence her creative direction.
By 2026, tuki. had reached a milestone of over 1 billion total streams. She performed her first solo concert, 「NIPPON BUDOKAN ～承認欲求爆発～」, which sold out all 8,503 tickets and earned her a Guinness World Record™ for the highest number of tickets sold for a first publicly announced, ticketed live concert by a solo JPOP artist. Following successful arena tours across Korea, Taiwan, and Hong Kong, she secured her first anime tie-up with the opening theme 『零-zero-』 for 『スノウボールアース』. Currently active with new works such as 『SOS』, she continues to expand her global influence and maintains a dedicated presence through her fan club 「月人」.
Social Media Link
Discography
15
15 represents a deeply introspective phase in tuki.’s discography, where she masterfully blends modern energy with classical Japanese aesthetics to explore the complexities of youth. The album centers on the volatile nature of adolescent romance and the transience of life, using evocative metaphors in tracks like シーソー and マルボロ to capture the push and pull of personal identity. tuki. further explores these emotions through poignant narratives of parting and digital-age neglect, as seen in the heartbreaking imagery of サクラキミワタシ and 愛の賞味期限. By weaving together themes of self-determination and devotion, this collection serves as a hauntingly beautiful exploration of the transition from innocence to maturity in an uncertain world.
アイモライモ
Can a simple phone call be both a miracle of connection and a trigger for deep insecurity? tuki. explores this fragile duality in “アイモライモ,” using clever linguistic wordplay and metaphors like “mismatched buttons” to navigate the anxieties of modern romance. This poignant ballad delves into the tension between digital intimacy and the desperate need for real, face-to-face presence, uncovering the hidden complexities of keeping love blooming in an uncertain world.
サクラキミワタシ
“サクラキミワタシ” by tuki. is a poignant reflection on the bittersweet intersection of graduation and heartbreak. Using the delicate imagery of falling cherry blossoms, the song explores the heavy emotions of a love destined to scatter with the spring. Discover how tuki. uses clever linguistic wordplay to blur the lines between love and sorrow, revealing the hidden emotional depths behind this anthem of parting.
シーソー
tuki.’s “シーソー” (Seesaw) uses the rhythmic motion of a playground seesaw to capture the volatile push and pull of adolescent romance. The song explores the delicate tension between the desire for closeness and the fear of losing one’s own identity in the process. Explore how this lyrical journey moves from emotional instability toward a profound realization about the necessity of self-love in building a true, synchronized connection.
ひゅるりらぱっぱ
How do we find meaning in a life that passes as quickly as a summer festival? “ひゅるりらぱっぱ” uses the vibrant imagery of falling petals and exploding fireworks to explore the delicate balance between life’s transience and the urge to live with unbridled passion. This analysis dives into the song’s unique blend of modern energy and classical Japanese aesthetics, revealing how it transforms the bittersweet reality of time into a soulful anthem for authenticity.
マルボロ
Can a scent linger longer than a person? In “マルボロ,” tuki. captures the hazy, bittersweet essence of adolescent romance, using the metaphor of cigarette smoke to explore a love that is both irritating and impossible to quit. This analysis explores the sensory layers of the song, revealing how a simple aroma can act as an addictive time machine that keeps the past etched in our very senses.
一輪花
How does one find the strength to stand dignified after a great love transforms into a storm of grief? In the introspective track 一輪花, tuki. uses the metaphor of a single flower to navigate the painful transition from living for others to embracing one’s own identity. This analysis explores the song’s emotional journey, tracing the shift from the quiet ache of morning dew to the resilient stoicism required to keep blooming even amidst a heavy downpour.
地獄恋文
What happens when a love is too destructive to exist in the light? tuki.’s 地獄恋文 explores the haunting concept of a devotion so intense that it can only be fulfilled in the afterlife. Through striking metaphors and Buddhist imagery, we examine the story of two “monsters” who embrace their darkest natures and make a pact to find one another in the depths of hell.
孤独の鯨
“孤独の鯨” explores the profound loneliness of adolescence and the ache of losing a connection that truly shared your soul. Through the haunting metaphor of a solitary whale, the song examines the heavy choice between honoring a painful memory or becoming numb to the world. Dive into this analysis to discover the hidden layers of tuki.’s lyrics and the beautiful, bittersweet meaning behind her most melancholic melody.
愛の賞味期限
What happens when affection loses its flavor and becomes nothing more than a convenience? This analysis of tuki.’s “愛の賞味期限” dives into the poignant metaphor of perishable food to explore how modern neglect can cause a relationship to rot. From the frustration of digital distraction to the cold realization that love has reached its final expiration date, discover the hidden layers and subtle linguistic shifts within this heartbreaking journey of emotional decay.
星街の駅で
“星街の駅で” explores the profound tension between the ache of parting and the selfless hope for a future reunion. Using the symbolic Hoshimachi Station as a bridge between sorrow and new beginnings, the song captures a delicate emotional journey from desperate longing to a quiet, luminous acceptance. It delves into the bittersweet beauty of loving someone enough to let them walk away into a world where you no longer exist.
晩餐歌
Can a life filled with mistakes still be considered a masterpiece? In “Bansanka,” tuki. uses the metaphor of a “full course” meal to navigate the tension between human imperfection and the finite nature of time. This analysis explores how the song evolves from a place of guilt into a profound vow of devotion, using a unique mathematical progression to capture the urgency of loving someone despite our flaws. Dive into the hidden layers of this hauntingly beautiful existential anthem.
月面着陸計画
Beyond its cosmic imagery, tuki.’s 月面着陸計画 serves as a powerful anthem for anyone navigating an unmapped future. The song explores the tension between social expectations and the courage to live authentically, turning the metaphor of a moon landing into a mission for self-determination. Dive into our analysis to discover how this track reframes our most difficult emotions and mistakes as essential, valid parts of a much larger, personal journey.
純恋愛のインゴット
Using the metaphor of a heavy, precious metal ingot, tuki. reclaims the overwhelming intensity of adolescent romance. This analysis dives into the song’s delicate balance between playful, childlike innocence and the profound weight of absolute devotion. Explore the lyrical journey from a simple game of love to a feeling that transcends coincidence and becomes something truly miraculous.
ストレンジャーズ / 声命
This collection represents a profound meditation on identity, exploring the psychological weight of non-conformity and the isolation of the outsider. Through ストレンジャーズ - STRANGERZ, tuki. transforms the heavy metaphor of a curse into a defiant celebration of survival and individual strength. The album further delves into the pressures of adulthood with 声命 - Seimei, which captures the visceral tension between social expectations and the preservation of one’s true essence. Collectively, these tracks navigate a journey through existential anxiety while highlighting the enduring resilience found in human connection and memory.
ストレンジャーズ - STRANGERZ
How can the very burdens that weigh us down become the fuel for our survival? This analysis of STRANGERZ explores tuki.’s profound meditation on identity and the isolation of feeling like an outsider. We trace the song’s emotional journey as it transforms the heavy metaphor of a curse into a defiant celebration of life. Discover how this anthem reclaims the struggle of non-conformity as a source of ultimate strength.
声命 - Seimei
tuki. explores the profound tension between social expectation and the preservation of one’s true essence in the powerful track “声命.” Using the striking metaphor of a bursting life, the song delves into the struggle to maintain an authentic voice amidst the heavy, unchosen burdens of adulthood. It is a visceral journey through existential anxiety and the quiet, enduring strength found in human connection and memory.
Singles
騙シ愛 - Damashiai
In a world built on mutual deception, how do we find something real to believe in? tuki. explores this haunting question in “騙シ愛 - Damashiai,” a song that navigates the tension between the protective lies we tell and the raw truths we crave. Through evocative imagery of the moon’s hidden side and the vulnerability of ripening fruit, the track delves into the search for connection amidst the masks we wear. It is a melancholic yet resilient look at the courage required to be truly known.
ギルティ - Guilty
What if a breakup wasn’t just a moment of sadness, but a formal trial for justice? In Guilty by tuki., the heartache of romantic betrayal is reimagined through a dramatic courtroom metaphor. This analysis explores how the protagonist transforms from a victim of emotional manipulation into a decisive judge, delivering a final verdict to reclaim her power. Discover the striking layers within the lyrics and the intense emotional journey from heartbreak to self-salvation.
最低界隈 - Saitei Kaiwai
How can you find your voice in a world that feels like a constant digital glitch? This analysis dives into tuki.’s raw anthem, exploring how Saitei Kaiwai captures the disillusionment of a generation caught between economic pressure and social media chaos. We trace the song’s emotional journey from cynical frustration to a fierce, defiant declaration of existence. Uncover the deeper meaning behind the metaphors that turn social dissatisfaction into a powerful act of resistance.
人生讃歌 - Song of Life
“Jinsei Sanka” is far more than a movie theme; it is a radical hymn for anyone struggling to exist under the weight of societal expectations. This analysis explores how tuki. uses poignant metaphors to challenge the idea that life must follow a single, “correct” path. Discover the emotional journey hidden within the lyrics, moving from the sting of social judgment to a profound, prayer-like affirmation of the beauty found in simply being yourself.
コトノハ - Kotonoha
“Kotonoha” explores the heavy weight of the secrets we keep and the transformative power of the words we finally choose to speak. Using the poetic metaphor of language as seeds waiting to bloom, tuki. navigates a bittersweet journey through regret and the hope for healing. Dive into our analysis to discover how the song turns the pain of the unspoken into a beautiful promise of reunion.
零-zero-
Can the coldest depths of despair actually fuel a fire of hope? tuki.’s “零-zero-” explores this profound tension through a striking metaphor of absolute zero and the intense, blue heat of human connection. This analysis dives into the song’s emotional journey, tracing the path from isolation and self-loathing toward a defiant sense of resilience. Discover how the track transforms personal pain into a vital source of energy, encouraging us to face the world without losing our most sincere, youthful spirit.
SOS
tuki.’s “SOS” is a visceral exploration of the modern struggle between the desperate need for social validation and the crushing weight of personal isolation. By delving into the “paralysis” of seeking approval from the masses, the song transforms a private cry for help into a collective lifeline of solidarity. Discover how this high-energy anthem captures the frantic “brain dump” of a digitally-connected generation and explores the profound courage found in vulnerability.
第三惑星 - The Third Planet
tuki.’s “The Third Planet” uses the vastness of outer space as a profound metaphor for the internal human landscape, exploring the universe contained within our own hearts. Through imagery of dusty pianos and flickering stars, the song transforms personal scars and fading dreams into “constellations” that serve as a guide for the future. It is a moving exploration of radical self-acceptance, inviting listeners to find beauty in their imperfections and discover the hidden power within their own memories.