- Name: Yuichi Tsuchiya (土屋裕一)
Yuichi Tsuchiya was mainly a CS pop'n music exclusive artist, contributing with many songs from pop'n music 4 CS until 12 いろは CS. He then composed music for KONAMI's long-running Winning Eleven series and later did music for KPE (KONAMI Pachinko-Pachislot Company), such as the Pachislot Ganbare Goemon series and SPY GIRL.
Yuichi left KONAMI in 2017 after working 16 years for the company. He currently is a member of the recording studio INSPION, alongside Daisuke Kurosawa, Jin Senbonmatsu, Masanori Akita, and Takeshi Kuramochi.
- Yuichi has also composed music for CAPCOM's 2019 Resident Evil 2 game.
- カルロス・ユーイチ & Muddy Brown
- Ruin Lab.