Overview:

Rio Hayama is a pure and innocent heroine in her second year of university. She is a serious and modest young lady who is happily dating her boyfriend, a classmate. But when she is invited to a club drinking party by him, everything starts to go awry.
Rio is normally weak to alcohol and doesn’t like noisy situations, but as she gradually gets drunker, her resistance fades and she even accepts sexual harassment that she would never normally tolerate.
Then, once she’s drunk, you can take her home, have her walk the streets at night, and while she’s there, you can play with her body. If you manage to get her to a love hotel, all you have to do is devour her as you please.
The immoral excitement of defilement of a cute junior’s girlfriend.
In the middle of it all, she gets a call from her boyfriend…?!?!? She is confronted with the devastating news of an NTR affair.
This pure and elegant girl is seduced in just one night…