After losing his job, Mitsuhiko Amano was confronted with the possibility of being separated from Sachiko, his wife, and their daughter Miyu. He was consumed by regret and uncertainty, struggling to understand how he ended up in this challenging situation. Just as he grappled with these thoughts, a tragic accident struck, and he found himself reincarnated as a teenager. With the opportunity to relive his high school years, Mitsuhiko saw a chance to alter his destiny by pursuing his crush from that time rather than focusing on reconciling with Sachiko to avoid any future misfortunes.