Sasoka Ryo entered the teaching profession with dreams and hopes in her heart. In her second year as a high school teacher, Ryo’s days were so stressful that she considered quitting her job.

However, when Rio voices her grievances on a secret social media account, venting her anger and her cute boyfriend overhears, she maintains a balance between her natural energy and her freshness.

The story unfolds when the third-year class suddenly lacks a regular teacher, so Ryo is appointed to the position for the first time.