There's a reason single dad Sorada always wears a school uniform and attends high school part-time.

When he was a high school student, he suffered from a serious illness and couldn't go to school, so he spent most of his youth in a hospital room. In adulthood, after overcoming the illness, he marries a childhood friend, a single mother, and they have a 10-year-old daughter. However, although he is happy, he is alone with his daughter and without his wife. He decides to enroll in the school system part-time, which was also the wish of his late wife.

A.B.C-Zが主演を務める学園ドラマ。それぞれに事情を抱えながらも夜間定時制高校に通う若者たちが、他人の人生と触れ合うことで自らと向きあい、成長していく姿を描く。年齢や境遇の異なる生徒たちが集まる定時制高校ならではの視点で、人とのコミュニケーションや触れ合いの大切さを伝えていく。