Basic premise: shojo manga featuring a reclusive high school girl, Sunako, living in a mansion with four handsome high school boys, Kyohei, Ranmaru, Takenaga, and Yukinojo, who have been told they can live there rent free if they make the girl into an outgoing and beautiful lady.
In this volume, they all battle the heat due to a broken air conditioner. The guys try to prepare Sunako for a blind date that her aunt set up but give up and claim that Kyohei is her boyfriend. Horror-loving Sunako goes into a deep depression after missing Halloween, so the guys give her a rain check.
book 114: The Wallflower, Volume 5 by Tomoko Hayakawa
In this volume, Sunako deals with fangirls who want the boys for themselves at any cost. It's Valentine's Day. The boys want to survive their fans. Sunako just wants some chocolate. Sunako's father comes to visit (size up Kyohei) after hearing the lie that they are dating. We hear the story about how Yukinojo, Ranmaru, and Takenaga met and gradually became friends.