Shadow of Summer: There were only two people in the pool, Takeshi and Kaori Natsu, the lifeguard. The purpose of Takeshi attending to the pool was because he wanted to see Kaori.
Visiting the den of the spider (part 1): Janome Kouichiās teacher Nanase Saori comes for a home visit. She is greeted by his father and shown into a room with human chairs and tables. Kouichi who are a bondage master in training asks Saori to let him tie her up.