KEPHA, known as a member of hip-hop crew kiLLa, has launched a new project under the name REI. It has been announced that their new single “MUCHU” will be released on Sunday, June 1st.
Thank you, @kiLLaTokyo & all supporters
This year marks the 10th year since I started music as a member of kiLLa in 2015.
The next project will be launched under a new name with a great team in Toronto.
I’m looking forward to the day when I’ll be back as KEPHA of kiLLa
Thank you for 10 years pic.twitter.com/tLJvtuiJNt
— REI (@reifukutomi) May 16, 2025
REI started his career under his previous name in 2015, and this year marks its 10th anniversary. kiLLa has been attracting a lot of attention by successfully touring both domestically and internationally with a cutting-edge style that embodies Tokyo, but as a crew, they have undergone repeated hiatus. Meanwhile, REI has announced that it will move its base of operations alone to Toronto, Canada from 2024.
REI’s first single, “MUCHU,” is a well-known producer who has won multiple times the “JUNO Awards,” also known as the Canadian Grammy Award.DotDaEngineerWelcome to the Toronto studio334 AtelierIncluded in. This work pursues a unique sound style that combines the vibes of two cities, Tokyo and Toronto, its new base of operation. We look forward to the release to see what kind of work it will be.

[Release Information]
REI “MUCHU”
Release Date: 2025.06.01 (Sun.)*
Tracklist:
1. MUCHU
Lyrics, Music: Rei Fukutomi
Producer: DotDaEngineer
*Released at 13:00 in Japan time