Eager to enact positive change in Japan, Mitsumi Iwakura departs her rural home to enroll in a prestigious Tokyo high school. Despite her meticulous life plan, her first day begins in chaos as she navigates the bustling city and arrives late, saved by her chance encounter with a fellow student, Sousuke Shima. As Mitsumi's journey unfolds, she grapples with initial setbacks and a rocky start among her peers. However, her budding friendship with Sousuke sparks curiosity within their class, hinting at a potential shift in dynamics. With time as the ultimate arbitrator, Mitsumi faces the challenge of building meaningful connections with her classmates, knowing that she won't tread this path alone.