With Aoki-sensei’s birthday coming up, Rin, Kuro and Mimi decide to sneak into the school infirmary and take a look at his health record. Unfortunately Aoki catches them, but the gang manages to make a hasty escape once Rin stalls Aoki by flashing her panties. The trio - now armed with all the information it needs - heads to a department store in order to find Aoki the perfect gift... but not without being distracted by arcade games, ice creams and lingerie shopping along the way! Returning empty-handed, they then decide to have a sleepover at Rin’s house in order to make Aoki the perfect gift; will they succeed?
Satoshi Yabe is the newest employee at Kamohashi Elementary School. Wide-eyed and enthusiastic, he’s thrilled to finally be fulfilling his dream of being a teacher – but little did Satoshi know that he’d be assigned to class 6-3, a group that houses none other than the violent and perverted Marui triplets! Between the girls trying to hook him up with the busty school nurse, dealing with the unfortunate consequences of a hamster named 'Titties' and other misadventures, Satoshi’s dream of an uneventful school life has come to an end!
If you enjoyed this OVA, you might want to consider picking up Mitsudomoe since it also focuses on a group of young school girls systematically torturing their virginal teacher. Like the comedy of one, then you'll likely enjoy the other.