Yuika

is a Japanese singer-songwriter. Originally from Nara Prefecture, she begun uploading cover of songs from various artists like Mrs. Green Apple on TikTok. She became popular on TikTok after she released her debut single, "Sukidakara" in June 2021 during her first year in high school.

She debuted with Universal Music Japan in June 2024, at the same time releasing her first album Longing for Navy Blue. She revealed her face to the public in February 2025 following her 20th birthday. She charted on Billboard Japan Artist 100 chart in June 2026.

Biography Yuika was born on January 12, 2005. Her parents are pharmacist. She is from Nara Prefecture but later moved to Tokyo.

Yuika first stated in an interview with that ever since she was in kindergarten, she dreamt of being a singer and stated that she taught herself to write music. She started uploading various covers of songs from other artists, such as Kenshi Yonezu and Mrs. Green Apple, on TikTok when she was in her second year of middle school. The song became a huge hit on TikTok and was popular in both Japan and South East Asia.

She stated in an interview with Usen Corporation that when she released the song, her TikTok username was set to because she forgot to add 273 when converting Celsius to Kelvin during a test. After the song became popular, she changed it to her current username. Her TikTok username was written in katakana and includes a corner bracket quotation mark, and she said that she chose the username to avoid confusion with other people named Yuika.

Yuika released the song "Seventeen's Song" in May 2022. In an interview with Real Sound, she said that the song was inspired by her conflict with music. She said that she initially wanted to pursue medicine, particularly the Faculty of Pharmacy upon graduating high school, because her parents were pushing her towards it, but decided to pursue a music-related course once her parents gave their approval after she played "Seventeen's Song" to them. She debuted with the music label Universal Music Japan on June 14, 2024, with the release of her first album Longing for Navy Blue. She sang the first ending theme song of the 2024 anime series A Terrified Teacher at Ghoul School!. Before turning 20 years old, she released another single entitled "Last Teenage Days" which focuses on how she felt about the end of her teenage years. She revealed her face to the public for the first time upon the announcement of her song "Medicine" and announced a live tour in February 2025. In February 2025, it was announced that Yuika's songs will have a manga adaptation by Nijisawa Hanami; the first issue will feature her songs "Sukidakara", "The one" and "Sniper". She perform the opening theme for the 2025 anime Watari-kun's ****** Is About to Collapse. In November 2025, she was diagnosed with acute hepatitis and was hospitalized for a few days.

In 2026, Yuika performed the ending theme song for the second season of the anime Tis Time for "Torture," Princess. She performed the ending theme of the anime Pardon the Intrusion, I'm Home!. On June 17, she ranked 98th on Billboard Japan weekly Artist 100 chart. She usually sings while playing her guitar. Aone Komachi from Billboard Japan described her songs as "a mix of familiarity that is common to traditional J-POP, but it is not just nostalgic, but rather has more elements that make it feel new than nostalgic."

Discography Albums Title Release date Peak ranking Longing for Navy Blue June 14, 2024 32

EPs Title Release date Peak ranking Dear Emerald August 21, 2026

Singles Title Release date Peak ranking "Sukidakara" June 27, 2021 — "Koidorobou" March 27, 2022 — "Anone" April 29, 2022 — "Seventeen's Song" May 29, 2022 — "The One" October 27, 2023 — "Snow Globe" November 24, 2023 — "Feels Like I'm in Love" February 6, 2024 — "Sniper" April 19, 2024 — "The Song About You That You Don't Know" June 28, 2024 — "Who I Am" October 9, 2024 — "It Doesn't Have to Be Christmas Day" December 6, 2024 — "Last Teenage Days" January 8, 2025 — "Devoted Girl" April 30, 2025 — "Don't Look Up the Flower Language" June 25, 2025 — "I Want to Be Your Ghost" July 25, 2025 — "What I Chose" December 19, 2025 —Ending theme song of the second season of the anime series Tis Time for "Torture," Princess. "I Can't Be a Princess" did not enter the Billboard Japan Hot 100, but peaked at number 98 on the Billboard Japan Download Songs chart. — "Invisible Youth" June 8, 2026 31