
Quick answer — Kenichi Suzumura worked on Free! -Eternal Summer- (Theme Song Performance), Mr. Osomatsu (Theme Song Performance), Heaven's Memo Pad (Theme Song Performance) and 6 more anime.
Kenichi Suzumura worked on Free! -Eternal Summer- (Theme Song Performance), Mr. Osomatsu (Theme Song Performance), Heaven's Memo Pad (Theme Song Performance), I Can't Understand What My Husband is Saying 2nd Thread (Theme Song Performance), Prison School: Mad Wax (Theme Song Performance), Uta no Prince Sama 2 (Theme Song Performance), Uta no Prince Sama (Theme Song Performance), CØDE:BREAKER (OVA) (Theme Song Performance) and 1 more.