Has my life been for nothing?I asked myself that question as I fell into the eternal embrace of death, having tumultuous waves of regret washing over me. But, in a strange twist of fate, I found myself awake once more in the body of my fifteen-year-old self.What kind of sorcery is this?The existence of the Leviathans and their mystical powers is all shrouded in mystery.But none of it matters to me.What matters now is that I can finally pursue the dreams and aspirations that I set aside in my past life. This time, I will ensure to live true to myself, without restraints or regrets.I will be free.Tags: Regression. Fantasy. Action. Adventure. SliceOfLife. Mystery. Time travel. NoHarem. WeaktoStrong. Antihero. Academy.