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KAIHŌ (Liberation) by O.K.THANKS. is a rap × rock anthem created as the theme song for the YouTube series Biri Doctor. Following the earlier teaser cut, the full version unfolds the entire story failure, pressure, lonely late-night study sessions, and the determination to keep going. Its core theme is the tears that come before joy liberation. Featuring Keito Kujimes first-ever rap performance, the track speaks to exam takers and anyone chasing a dream: You do not have to be perfect walk at your own pace, all the way to the end. Written, composed, and performed by O.K.THANKS.

Artist Profile

  • O.K.THANKS.

    A three-piece unit that turns differences into the ultimate weapon, delivering the unfinished spirit of youth and the impulse to challenge through grand, anthemic pop/rock sounds. The group consists of founder Keito, copywriter-turned-leader Mr.Thanks., and masked artist Mr.O. Going beyond themes of romance and nostalgia, they champion an uplifting youth concept that crosses music, film, and culture igniting both the hearts of todays teens and those seeking a second re-youth, ready to run again toward their dreams. In August 2025, they released their debut single THREE PIECE. Their official YouTube channel, IKETERU CLUB, surpassed 400,000 total views within just two months of launch.

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