Married woman's night lesbian - a summer love with lilies blooming all over the place. ~

While her husband is on a long business trip, Ayane is working as an assistant and helper at Yu's house, a cousin of a popular female writer who has been serialized in weekly magazines. Yuu is beautiful, kind and talented, and has longed for her since childhood, Ayane felt happy in her life under the same roof. However, Yu, who loved her like a real sister, had another face that Ayane didn't know about. On a quiet night, Ayane, covered in sweat, sleeps soundly inside a mosquito net without knowing anything, learns Yu's true nature.