This Boy Can Fight Aliens is a oVA anime that premiered in fall 2011, produced by CoMix Wave.

About the production: the story comes from an original script, there is 1 episode of about 29 minutes and its current status is "finished".

Its main genres are action, fantasy, romance and supernatural, with themes such as Boys' Love, Super Power, Male Protagonist and Cute Boys Doing Cute Things.

On AniList, This Boy Can Fight Aliens has an average score of 62%, an average score, and appears on 5,899 users' lists.

When aliens suddenly invade the world, Earth seems to be fighting a losing battle until Arikawa, one of the defense command staff, accidentally discovers a young man lying on a hill. Tests soon prove the impossible: this one teenager, Kakashi, has the power to defeat the attackers! Unfortunately, Kakashi has also lost his memory, and with it the knowledge of how to actually use his power. Moving Kakashi in with himself and his own commander, Shiro, Arikawa accidentally starts a strange triangle of emotions and relationships. A triangle that threatens the fate of the planet as Kakashi begins to question his own motivations! (Source: Sentai Filmworks)

Official synopsis from AniList.