Katou Mikuni is a member of Komi's group for the year 1 field trip.
Katou is one-third of Komi's first-year field trip group. She and Sasaki Ayami make a pact to make sure the trip is as fun as possible for Komi. Katou makes a schedule for the trip but things don't go as planned leading to her getting in a minor fight with Sasaki but Komi ends it quickly. Later on in the manga, Katou teaches Tadano and Komi shogi strategies.
