Sayaka Minazuki is the ace of Hinohara University's volleyball team. She's very athletic and near the top of her class, with beauty that makes other girls deeply envious. To most, she seems like the picture-perfect young woman, the university star with brains and looks in spades.

However, due to some deep-rooted trauma from her past, she's been dealing with a terrible affliction all along. Once her symptoms take over, she's completely unable to control herself. Feeling overwhelmed and anxious about her situation, she consults with the university's nurse, Chie Hirose, about her worries...

There are many ways to go about the game and progress the story. Money can be earned in many different ways and through a variety of minigames. Want to work earnestly at a part-time job? Go for it! Want to work as a waitress? That's also an option! Gain enough money to progress the story and see how Sayaka's addiction will unfold in this slice-of-life adventure RPG...