Ichijou Kaname to wa Kakawaranai(2016)

Ichijou Kaname to wa Kakawaranai

This series is a painful love story of a return to the past to erase the first love. Ritsu, the main character, goes back to the past to change the future since her lover Ichijou Kaname is going to die and she tries her best to avoid him and suppress her love.