Because of the university, the main character "HiroSawa Yu (Yuya Hirosawa)" began living alone last year also was Mai Flip without homecoming once for the rush of new life.
However, it was supposed to return home in the hope that "I want you to tutor" which is a sister "HiroSawa Not feather".
When the emergency homecoming you, mother "HiroSawa Ayano" was a close contact with fondness from the original is it increases the doting degree of face-to-face and after a long time of the son, further, aunt "Reika Aoyama" in the divorced woman in a fight with her husband and their daughter us welcomed "Rio Aoyama". Mother of flirting doting,
aggressive approach of the sister, mischief favorite aunt,
daughter of the aunt yearn to your brother.

Under such four people and one roof, referred to as "mother × sister" "sister × cousin", "aunt × mother," "aunt × cousin",
the shuffle a harem of active in the etch in Love Love was about to begin.