One Year Of Happiness

Yagami Noriyuki, a fifty seven year old man, is filled with regrets over how he lived his life. One day, amid the rain, a woman with horns on her head approached him. "Mortal, sign this contract and return to your youth!" There was a catch however... He only had one year to live and fulfill his regrets. After returning to his youth, his first quest is to save his childhood friend from a car accident.