That JAV

In her first year of marriage, Arisa was still in love with her husband, having sex every day. However, her husband suddenly decides to go on a month-long business trip. Her husband, however, decides to have his sister live with Arisa while he is away on a business trip. However, her sister Sumire is actually bisexual, and has had her eye on Arisa ever since her brother started dating her, looking for the right moment to draw her into the world of lesbianism.