マンションまるごとレイプ

Unkai, the main character, is laid off from his word due to economy down term.
Mina Saeki, a full time worker at his work, humiliates him for his lay off.

Being furious, he stalks Mina to her home.
There, he learns that she is a daughter of apartment building owner, which beats his emotion even more.
Being jealous, he starts to think of raping Mina.