
Quick answer — Daisuke Namikawa worked on Prison School (Theme Song Performance), You're Being Summoned, Azazel Z (Theme Song Performance), Prison School: Mad Wax (Theme Song Performance) and 4 more anime.
Daisuke Namikawa worked on Prison School (Theme Song Performance), You're Being Summoned, Azazel Z (Theme Song Performance), Prison School: Mad Wax (Theme Song Performance), Hetalia: The Beautiful World (Theme Song Performance), Hetalia World Series (Theme Song Performance), Hetalia Axis Powers (Theme Song Performance), Brothers Conflict (Theme Song Performance).