The scandalous love story from "Good Ending" author Kei Sasuga! Natsuo just found out he's got two new family members... Rui, the girl who took his virginity, and Hina, the high school teacher he can't get off his mind! A pure yet tempestuous love triangle, all under one roof!

Inheriting Togen-sensei's legacy, Natsuo begins writing once again. Meanwhile, the sisters receive a pair of unexpected proposals, Hina from her mother and Rui from her superior, as both continue to change and take steps towards achieving their dreams. But these feelings remain unchanged, as everyone ends up under one roof once again!