Mikucchan is a college student without a boyfriend currently. Her experience includes her ex-boyfriend, her part-time job boss, and a teacher from cram school. Though she appears plain, her breasts are abnormally large and her body is incredibly sexy. Because of this, she's still called for casual sex and can't refuse. She has a weak personality and can't say no to advances. This time, she was hit on and couldn't refuse, ending up being brought home and filmed. This is a documentary-style recording of those events.