tuki. — Biography and Discography
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Biography
tuki. (つき) is a Japanese singer-songwriter specializing in J-Pop and acoustic pop. Active since 2023, she has emerged as a mysterious and highly significant figure in the contemporary music scene, intentionally maintaining complete anonymity regarding her real name, appearance, and place of origin.
Her musical journey began after she started playing the guitar at the age of 13. Her breakthrough occurred in July 2023 when she posted a snippet of her original song, 晩餐歌, on TikTok while in her first year of high school. After sharing the production process and subsequent segments of the track, she officially released 晩餐歌 in September 2023, which quickly became a viral sensation across social media platforms.
The success of 晩餐歌 saw tuki. sweep various charts, including the Spotify Viral Top 50 Japan, Apple Music, and the Billboard Japan Hot 100, where she set a record as the youngest solo artist to reach number one. She followed this with hit singles such as 一輪花 and サクラキミワタシ, and her 2025 debut album, 15, also topped the Billboard Digital Album rankings. Her accolades include receiving the Special Award at the 66th Japan Record Awards, performing at the 75th NHK Kohaku Uta Gassen, and winning Best New Artist at the MUSIC AWARDS JAPAN 2025. In February 2026, her solo concert at the Nippon Budokan earned a Guinness World Record™ for the highest number of tickets sold for a solo J-pop artist’s first public performance.
Musically, tuki. is characterized by a sound rooted in guitar-driven J-Pop, ranging from emotive ballads to up-tempo pop tracks. Her lyrics frequently explore themes of youth, romance, and human relationships, resonating deeply with her generation. She is widely recognized for her commanding vocal presence and expressive performance style, which helped her amass a following of over 600,000 on social media.
As of 2026, tuki. continues to be a prominent figure in the industry while still attending high school. Following successful arena tours in South Korea, Taiwan, and Hong Kong, as well as a successful world tour, she has established herself as a symbol of a new generation in the Japanese music scene, leaving a profound impact on both domestic and international audiences.
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Discography
15
Released in early 2025, 15 serves as a foundational collection of the songs tuki. composed during her formative years up to the age of fifteen. The album explores the intense emotional spectrum of adolescence, utilizing striking metaphors to navigate themes of fleeting romance, profound loneliness, and the search for authenticity. Standout tracks such as 晩餐歌, サクラキミワタシ, and 一輪花 demonstrate her ability to weave complex feelings of existential devotion and seasonal heartbreak into poignant melodies. This work provides a soulful glimpse into her early creative journey and establishes the introspective J-Pop style that defines her artistry.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
ストレンジャーズ / 声命
This release signifies a shift toward a more mature and introspective phase in tuki.’s career, moving into deeper territory regarding identity and existentialism. Through 声命 - Seimei, she examines the struggle to maintain an authentic voice against the pressures of social expectation and the heavy burdens of adulthood. This exploration of the self continues in ストレンジャーズ - STRANGERZ, which reclaims the isolation of being an outsider as a source of defiant strength and survival. Collectively, these tracks demonstrate her evolving ability to transform personal vulnerability and non-conformity into powerful, resonant musical expressions.
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.
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.
Singles
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.
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.
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.
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.
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.