The episode begins with Fumino Furuhashi realizing she has gained weight. After suspecting her frequent snacking with Uruka and Rizu is the cause, she decides to go on a strict diet.
The middle segment introduces Sawako Sekijo, a fellow science genius and self-proclaimed rival to Rizu Ogata. Bokutachi wa Benkyou ga Dekinai Episode 4
Sekijo mistakenly believes Rizu is pursuing the humanities (her weakest subject) because she is in love with Nariyuki. The episode begins with Fumino Furuhashi realizing she