The protagonist Daki Shimokawa moved away from the countryside and started living by himself to attend a university in the city. He works part-time jobs every day in order to earn money to pay for his tuition and living expenses.

One day, there's this gyaru who's one of his juniors at work, and she's looking for a place to hang out with her friend. They decide to stay the night at his place.

Daki is weak to pressure. So when two girls ask to stay over at his place, he couldn't say no. All is well until it's time for bed. With only one bed, Daki has no choice but to sleep with two beauties, one on each side. Naturally, this keeps him awake... as well as his other member. Just when he thought the girls were fast asleep after they tired themselves out playing games, the gyaru finds out he's got a boner in his pants. Noticing the energetic bulge, She got turned on by this, and proceeds to indulge herself with his body, and... decides to play with it... Looks like they won't be sleeping tonight...

And then later the other one joins the party as well... Out of Curiosity...
Aswell Player 4 Joins the game?