Tomoko grows anxious when she learns her cousin, Ki, is coming over, feeling she needs to look like a 'slut' in order to back up the tall tales she had previously told her. She attempts to cover her body with vacuum cleaner hickeys, only to be scolded by her mother. Whilst taking Ki to the library, Tomoko meets Kousaka, one of the boys she met whilst sheltering from the rain the other day, who Kii assumes to be Tomoko's boyfriend. The next day, they see him with another girl, prompting Ki to confront him, bringing Tomoko's bluff to light. With Ki's impression of her waning, Tomoko attempts to restore her faith by showing off her prowess in a children's card game. Despite noticing that Tomoko is nothing but a cheater, Ki appreciates how hard Tomoko tried to make a good impression.
La mère de Tomoko lui annonce que sa cousine va passer dans l'après-midi. Cousine devant qui Tomoko a toujours tenté de sauver les apparences de manière… particulière. Comment va-t-elle s'en sortir cette fois-ci ?
中学生のいとこ、きーちゃんが遊びに来ると母から聞かされた智子。過去にきーちゃんの前で、頭が良く男子にモテるお姉さんを演じていた智子は、彼氏がいるという嘘がばれないようあの手この手で対策を始めるのだが……。そして、いよいよやって来たきーちゃん。宿題を手伝うため、一緒に図書館に行くことになった智子だが、さっそく彼氏の事を聞かれて何を話せばいいか悩んでいると、そこに…。
여름방학이 되어 사촌 동생 키이가 집에 놀러 온다는 말을 들은 토모코는 초조해진다.
토모코는 작년에 얘기했던 ‘남자에게 인기 많고 스타일 좋은 언니’ 이미지를 지키기 위해 급하게 키스마크(!)를 만들기 시작하는데...
Tomoko se pone ansiosa cuando se entera de que su primo, Ki, se acerca, sintiendo que necesita verse como una 'puta' para respaldar los cuentos que le había contado anteriormente. Intenta cubrir su cuerpo con chupones de aspiradora, solo para que su madre la regañe.
