[Rin Sasahara Lesbian Ban] Rin was spending happy days toward marriage with her boyfriend, but she accidentally dropped her smartphone on her way home from work.Luckily for her, a woman comes to her house to deliver the smartphone the next day, and she feels relieved.However, when she sees a woman smiling with a dubious atmosphere, she suddenly feels something is wrong... "Wait a minute. How come this house, this smartphone is mine... Did you know?"