Seishun no After

Makoto Toba despises all his classmates except Sakura Touwa, a shy high school girl who lives with her grandmother and enjoys video games. One day, Sakura vanishes in front of him. For 16 years, Makoto returns to the spot where she disappeared on the anniversary of that day. Sakura finally returns, but she has been trapped in a time slip and remains at 16. Makoto, now 32 and in a relationship, must care for his childhood crush. Complications arise as he navigates this unexpected situation.