Tanaka Yoshio, an ordinary salaryman, is always eager to impress his girlfriend Reiko, but his wallet is always empty. His only lifeline is his credit card, but one day he forgets the repayment date and finds himself in a tight spot. With no other options, Tanaka resorts to taking out a cash advance.

There is a new student at Oobu High School. His name is Yakuda Daigo. With his buff body and a tough-looking face that can make everyone run, soon rumors spread about him. Some say he's a gang leader, others say he is involved with Yakuza business, still more say he rapes, steals, and likes beating people. There are only a handful of people who know who Yakuda really is, including Manami-a. She is a girl Yakuda fell in love with. Yakuda loves to cook and he likes cute things. He also enjoys gardening, crafting and adores pets. He is a very caring person. He always carries around a cute sewing kit and a cute first-aid kit around. However, with many unfortunate events, he often gets involved with a gang fight or a criminal, along with other coincidental things that happens around him. People always assume the worse for him.

Yukiko Fujishiro, an enthusiastic secretary, has a cheerful personality and is popular within the company...

A university assistant professor spends his days researching. A hidden camera is installed at a reverse soap shop run by a friend of his, and he studies techniques by observing the reactions of female customers...