Seraph of the End (2015)

S01E02 Humanity After the Fall

Four years post-escape, Y?ichir? has joined the Japanese Army, yearning to join the elite vampire eradication squad known as the Moon Demon Company. However, his impulsive actions result in a suspension from service. When a vampire launches an assault on a nearby school, Y?ichir? defies orders and plunges into battle, determined to confront the threat head-on.