While living together with Kaede, Rintaro decides to start a part-time jobas a private teacher. But he's met with objections from Kaede and in orderto ascertain how suitable he is, it's decided that he'll teachKaede's little brother, Tsubaki! Rintaro suddenly starts going toKaede's family house, but what will happen...'! It's the final conclusion to Yuu Moegi's four-part romance oftwo lovers trying to learn from one another as they encounter differentobstacles in their relationship.