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This Boy Can Fight Aliens poster
OVA Finished Fall 2011

This Boy Can Fight Aliens

Kono Danshi, Uchuujin to Tatakaemasu. · この男子、宇宙人と戦えます。

Action Fantasy Romance Supernatural
★ 6.2AniList score
1Episodes
29 minPer episode
OriginalSource

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… Read more

Storyline

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)

Characters & Japanese Voice Cast

Kakashi Kakashi Main VA: Ryouhei Kimura
Arikawa Arikawa Main VA: Toshiyuki Toyonaga
Shiro Shiro Main VA: Daisuke Hirakawa

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Frequently Asked Questions

How many episodes does This Boy Can Fight Aliens have?

This Boy Can Fight Aliens has 1 episodes.

Which studio made This Boy Can Fight Aliens?

This Boy Can Fight Aliens is produced by CoMix Wave.

Facts from AniList (also listed on MyAnimeList); streaming availability from JustWatch India. Last updated 5 November 2026, 6:36 AM IST. Episode times are Japan broadcast times shown in IST. Spotted a mistake? Write to [email protected].