Popura becomes upset with Sota constantly calling her small. Later, Sota becomes devastated when Kyoko kills a bug, inadvertently insulting Popura and Inami in the process.

Popura and Jun end up catching colds due to Aoi's clumsiness, so Kyōko calls in two of her juniors, Yohei and Mitsuki Mashiba, twin siblings who don't get along. When Kyōko offers to put someone else in charge of looking after Inami, Sōta becomes upset and falls out with Inami, but Inami soon manages to build up the courage to make up with him.