During a long-term business trip, her husband began to work as an assistant and helper at Yu's house, the cousin of a popular female writer who has been serialized in weekly magazines. The beautiful, gentle and talented sound of jealousy from an early age felt happy with the life under one roof. But there was another face, like his real sister, who had no idea of the timidity. On a quiet night, the sweaty rustle of sleep well in the mosquito net without knowing anything makes you know what it is.