Four family moved into a certain house. The Satoshi of the second son "do I not somewhat feel good old?" totsubuyaku. The daughter of this house, the Tsugumi love Satoshi, and continue relations of the Kindan. Handle the eldest son, Sei of Tomokazu while saying so. A sexual relationship was pressed for from father that the relations with two older brothers were realized…One Beautiful Girl grumbles over in Tsugumi to be troubled with; "I am you and the same fate, too"…Some kind of secrets and causation seem to wriggle in this house.
