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...
you're going to pick up the proper know-how 
to train your little stepsister!
wirst du das Know-How lernen, indem du
deine kleine Stiefschwester trainierst!
tendrás que aprender lo básico de 
entrenar a tu pequeña hermanastra.
tendrás que aprender lo básico de 
entrenar a tu pequeña hermanastra.
apprends le véritable dressage
de demi-sœurs.
ti aiuterò a scegliere le giuste opzioni 
per allenare la tua sorellina adottiva!
você precisa adquirir o conhecimento 
sobre como domar sua irmã mais nova!
ты должен выучить правильное ноу-хау 
дрессировки сводной сестрёнки!