
The new entry in TOKYO COLOR SONIC!!” “Sugar Pop” digital single series is Kairi’s solo single “Madoromi to kokyuu“.
“TOKYO COLOR SONIC!! “Sugar Pop” SOLO SONG Kairi” is scheduled to be released on 26/12/2025, available in regular edition.
The cover art is the following:

The single includes the new song titled まどろみと呼吸 (Madoromi to kokyuu) featuring vocals by Shunsuke Takeuchi (as Kairi).
Tracklist:
1 - まどろみと呼吸
A preview is out. Check it out in the video below!
What is “TOKYO COLOR SONIC!!”?
Tokyo Color Sonic!! is the name of the mixed-media franchise created by sprout and featuring character designs by the popular illustrator Ryo Fujiwara.
This franchise features a star-studded 10-member main character cast, with characters divided into 5 different “buddy” units, each comprising a singer and a songwriter.
The units are SPHERE RISE, Reboost, BUMPEACE, ULTIMATE, and STRANGE LAD.
As such, Tokyo Color Sonic features a balanced mix of drama CDs and music. On vocals, listeners will find Shoya Chiba, Soma Saito, Gakuto Kajiwara, Shunsuke Takeuchi, and Yuya Hirose.
To know more about this project, make sure to check our quick guide to it.

