
Quick answer — Hikaru Hanada voices Akihiko Usami in Junjo Romantica, Raul Creed in Ergo Proxy, Deusolbert in Sword Art Online: Alicization - War of Underworld and 1 more characters.
Hikaru Hanada voices Akihiko Usami (Junjo Romantica), Raul Creed (Ergo Proxy), Deusolbert (Sword Art Online: Alicization - War of Underworld), Kasuganomichi no Chichi (I My Me! Strawberry Eggs).
Akihiko Usami is voiced in Japanese by Hikaru Hanada.