Itsuki and Mahiru performed their first Love Ritual. A "Star Child" that will be able to cleanse the Impurity was born, as they bonded through physical contact. Later, they were transferred to "Hoshigami Academy," where the "maidens of the 12 constellations," who will perform the Love Rituals with Itsuki, were gathered. Itsuki starts to bond with one of the maidens, Ruka, at the cherry blossom viewing welcome party.
Read it and learn manners and etiquette.
.اقرأه وتعلّم الأخلاق وآداب السّلوك
Lies dieses Buch und du
meisterst sofort die Etikette.
Léelo y aprende muchas técnicas.
Léelo y aprenderás muchas técnicas.
Leggendo quel libro imparerai un sacco di cose
su come comportarsi a letto.
Leia e aprenda as formas e a etiqueta.
Прочитай и узнай о манерах 
и правилах поведения.