seraph of the end

A young man named Yūichirō Hyakuya joins a vampire extermination unit to avenge the deaths of his orphaned family and reclaim his childhood best friend Mikaela Hyakuya from the vampires. Yuichiro Hyakuya is the main protagonist of the Seraph of the End series. He is a member of the Japanese Imperial Demon Army as well as Shinoa Hiragi's squad in the Moon Demon Company.(what will u do will yu kill mika or try to bring mika back to a human again) and u can be mika or yu