Kono Danshi, Uchuujin to Tatakaemasu.

An alien invasion leaves Earth struggling until a teenager named Kakashi is found with the ability to fight them. Despite his potential, Kakashi suffers from amnesia and does not know how to use his powers. Arikawa, a member of the defense command, brings Kakashi to live with him and his commander, Shiro. As their living situation develops, complex emotional dynamics emerge between the three. Kakashi begins to doubt his purpose, and these shifting relationships risk affecting the outcome of the war.

Traduzione in corso — testo originale in inglese.