Sakae Sugiura working hard to become a teacher, gets an assistant teacher position at an elementary school. There he meets his old elementary school homeroom teacher, Ryuji Fukada. Fukada-Sensei was someone Sakae looked up to, someone who supported him. Now, Sakae is shocked by how different Fukada is and feels lost. But since he's no longer a student, will his feelings towards Fukada change...?