Arata Kasuga, a high school student, is being targeted by a girl with humongous boobs. In exchange for his life, Lilith says that she can erase his memories, but he chooses the third option. As a result, he ends up at a magic school, but why is there a naked girl in the men's bath?
Oh, so that's where you were.
Oh, da warst du also.
Conque allí estabas.
Así que estabas ahí.
Ah, tu étais là…
Cosa...? Quindi sei qua...
Ah, aí está você.