ADN-424 Weekend only, Couple Exchange Night when my wife is held by another person Nanami Misaki

After four years of marriage, Nanami's husband, Koji, has just become independent and is busy with work, and perhaps due to his rut, the couple has not even been able to talk to each other lately. - In contrast to these two, Hibiki, who moved into the room across the street, is on good terms with her husband, and Nanami feels jealous every time she sees the couple. - Eventually, Hibiki learns of Nanami's icy marital relationship, invites Nanami and Koji to his home, and proposes that they swap couples for the weekend...