
Quick answer — Yuuya Matsushita worked on Durarara!! (Theme Song Performance), Durarara!! Specials (Theme Song Performance), Black Butler II OVA (Theme Song Performance) and 2 more anime.
Yuuya Matsushita worked on Durarara!! (Theme Song Performance), Durarara!! Specials (Theme Song Performance), Black Butler II OVA (Theme Song Performance), Natsuyuki Rendezvous (Theme Song Performance), Black Butler II (Theme Song Performance).