Akai

Serving as the dedicated 25-year-old homeroom and P.E. instructor for Yamada and Kosuda, this hardworking teacher often prioritizes her school duties over her romantic life. Alongside her colleague Mori, she plays a pivotal role in the students' lives, even orchestrating their partnership as class representatives for Sports Day. During the winter season, she becomes a confidante for Yamada, eventually discovering the complex, mature nature of the student's personal struggles.