With the battle against the white-masked man settled, they returned to their bawdy daily life. Basara wakes up with his hand groping Maria's butt, he runs into a naked Mio when he enters the bathroom, and Yuki sneaks into the bath with him. The master-servant pact lying at the heart of everything. Accoring to Takigawa, his classmate and the white-masked man, the pact between Basara and Mio holds another secret. Meanwhile, Basara's childhood friend Yuki invites him out on a date...
then that's the only thing you 
need to protect, no matter what.
dann ist dies das Einzige,
das du beschützen musst.
et la défendre coûte que coûte.
allora è quella la cosa
che devi proteggere a tutti i costi.
então aquilo é a única coisa que você
 precisa proteger com todas as forças.