Takeshi has to take care of him while his parents are away on vacation. His mother's friend, Yuka, will take care of dinner. Yuka, who came to her house, is beautiful for her age, and at first sight, Takeshi likes her as the opposite sex. Originally, Yuka was going to go home after preparing her dinner, but due to Takeshi's trick of using her fake illness, she ended up staying at her house for just one night...
