Anetea!?  (aneti !?)

あねてぃ!?

Taichi just enters high school and starts living at his cousin's house where four sisters live, Otoha, Kaguya, Momone, and Nora. They are all teachers at his school. On his first day there, he has a party with them and goes to bed. When he wakes up at midnight, Kaguya gives him blowjob! He can do nothing, just pretending he is asleep. On the next day, there is no sign of it. Is that just a dream? Like this, their erotic school life starts....