Suekichi attends university and, like any Japanese student, has time for hobbies. Things shift when he goes to his great-grandfather's funeral and wakes up the next morning in his room with a very sexy girl beside him. His great-grandfather has left him a *little* inheritance, but there are conditions attached. Meanwhile, the sexy Aya keeps hanging around and refuses to leave. It marks the start of a strange relationship built on suspicion and desire.