Where to Watch Hatsukoi Sukecchi: Maitchingu Machiko Sensei (2018)

10 years after Kenta graduated from high school he becomes a manga artist and lives in Tokyo. But lately he has been on a creative crises. One day one of his old classmates calls him saying that their high school will be demolished soon. In an attempt to refresh his mind, Kenta decides to go back to his hometown. There, he meets his old friends and they share some memories