Suddenly awakening in a world both familiar and alien, Ayanokouji Kiyotaka finds himself under the roof of a man who shares both name and face of his greatest obstacle. He must navigate a society built around horse girls who are somehow connected to the legendary racehorses of his past world. As he's drawn into the lives of those around him, Kiyotaka is forced to confront something he never has before. What does it truly mean to live not for survival or expectation, but for connection?