Ryou Mukai

Ryou Mukai is a first-year student at Hoshimi High School who shares a classroom with the main character, Nakamura Otohisa, and maintains a close friendship with Hirose Aiki. Known for his calm and friendly demeanor, he often engages in relaxed exchanges with Hirose around campus. As a key supporting character, he tends to observe social situations with a composed eye, and the effortless bond he shares with Hirose frequently leaves the secretly smitten Nakamura feeling both envious and at a loss.