Nicholas and Euijoo have been best friends since they were 10. However a few days after Euijoo's 15th birthday, he ends up in a fight with Nicholas which causes him life time damage. - inspired by high school frenemy

"where the coffee's decent and the staff isn't." - joyuma. - nichojoo. - kuma. - harumaki.

Koga Yudai, a man in 2025, accidentally texts his high school crush, Murata Fuma, in 2015 using an old phone. As their mysterious connection grows, K learns that Fuma died in an accident after graduation. He now has a has a choice-to either watch history repeat itself or use this connection as a second chance to save the one he never stopped loving.