Back to the Days I Regret

Life is nothing but a series of choices — and some choices haunt us forever. After years spent drowning in regret, Ren Hayato opens his eyes to find himself back in his high school days — the place where everything began to fall apart. The same faces, the same pain, the same chance to choose differently. Can he fix the mistakes that shattered his life? Or are some choices destined to repeat, no matter how hard we try to change them?