"How do women have sex with each other!?" Kinome Hiyoshi, an office lady with bad luck in love, was searching for a temporary place to stay due to certain circumstances. The person introduced by her sister as a place to stay, Akebi Mizuki, was actually in love with her sister!? In reality, she is a popular manga artist and novelist, and she is incredibly pure... This is a story of a socially awkward yuri living together, filled with the struggles of their relationship.