Yuuki Hoshino is a famous model and the most popular girl in school. Yuuma Hirose, on the other hand, is a boy who doesn't stand out at all. Although he has something of an interest in Yuuki, he feels that they live in completely different worlds.
One fateful lunchtime, Yuuma ends up lending this school celebrity his glasses. And over the course of several interactions, Yuuma finds himself falling for the flirtatious Yuuki's ditzy charms. Yuuki shows no hesitation in getting intimate with Yuuma, either. But although Yuuma is happier than ever, his consciousness of the gap between their social statuses makes him afraid to fall for her.
Is she teasing him? Is this an elaborate prank? How does Yuuki truly feel? And what's the true nature of their relationship?
One day the protagonist finds a fairy falling unconscious in the forest. He takes her home. The fairy tells her story: she fell in love with a human and now wishes to gain a human form with magic. The protagonist wishes to help and supply magical powers by providing sexual magic. This way their unusual cohabitation begins.
You're pushed into playing 7 minutes in heaven at a party with a stranger. Everything goes wrong and you are stuck in there with him.
Warnings: Depictions of murder and violence, screen shaking.
After a few years, Shintaro Shinohara - the protagonist of the first game - now the doctor of the island, marries the beautiful widow Yumiko.
This is their newly-married happy love-love life.
One day, some gears of "time" are found. They don't have any power now, but they might be dangerous. Members of a folklore research club start collecting the gears, but Yone accidentally gets hold of one of them.... Love romance, school exam, and club activity. Their story still goes on...
Atsushi is in his second year of high school. His school is going to get merged with another school after the end of the first period, so this is his "last" summer holiday. He enjoys it spending with his friends. One day, the news comes out that Yukako is going to transfer to another school. He decides to gather his friends, and set up a club to make memories for Yukako...