A classic love triangle. The protagonist of this story, Kentaro Minami, works for an electronics company called SOBY. (No, I’m not mistaken about the name, it’s SOBY.) The young man is progressing quite successfully in his career. Not only because of his intelligence and his degree from Tokyo University, but also because the company director’s daughter has her eye on him. The spoiled girl plays him any way she wants, and he has to put up with all her whims. One evening, after waiting for her on the street for over an hour, Kentaro interferes with a pretty girl handing out advertising leaflets. A word of advice, and that same evening, a new acquaintance named Momoko Morita, was unpacking her things in the small apartment that Kentaro rents with a friend named Haruo Ochiai. Momoko, a girl without complexes who is a fan of Marilyn Monroe, immediately decided to take the bull by the horns and offered a new acquaintance to live together in exchange for sex and housekeeping. Not only that, she decided to take a job at SOBY, which means that the main character will definitely have more reasons for “headaches”…