Masato is an average student. One day, his parents go abroad on business for a month. Like this, he suddenly starts living alone. It is relaxing and comfortable at first, but.... He unexpectedly loses most of the money his parents left to cover his living expenses.

Following advice from one of his buddies, Masato applies for a part-time catering job at a family restaurant. There, he happens to meet one of his classmates, Megumi, who happens to be a popular figure at school and someone Masato admires from afar. Her sister Saori also works at the same place.

At the same time, Masato receives an unforeseen sollicitation from student council vice-president and classmate Miharu to help in various tasks, in exchange for free meals.

Thus, Masato's uneventful school life begins to move...

[Edited from ErogeShop summary]