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?
I've already set your drawing 
as the background on my phone!
Ich benutze es schon als
Hintergrundbild für mein Handy!
¡Ya lo puse como mi fondo de pantalla!
¡Ya lo tengo hasta en el fondo del móvil!
Je l’ai déjà mis en fond d’écran
sur mon portable !
Ho già impostato il tuo disegno
 come sfondo del mio cellulare!
Eu coloquei de plano de fundo no meu celular!