Haimura Moroha has the memories of two past lives. He meets two girls, Ranjou Satsuki and Urushibara Shizuno. Their past and present lives begin to intertwine.
Oh, then maybe I should head-butt you again.
Ah, dann verpass ich dir
besser noch ’ne Kopfnuss!
Entonces debería golpearte de nuevo.
Entonces debería golpearte de nuevo.
Dans ce cas, je n’ai qu’à te donner
un autre coup de tête !
Magari se ti colpissi di nuovo...
Ah, então se eu te der mais
 uma cabeçada, talvez...