A doctor and his recently-deceased patient are reborn as twins to a famous Japanese musical idol and navigate the highs and lows of the Japanese entertainment industry as they grow up together through their lives.

Uma Musume - they were born to run. Born with names from other worlds, sometimes with strange, sometimes with glorious histories, they inherit the souls of these names and run. Aiming only at the goal beyond our eyes.

After his parents' death, Naoto cares for his sister Suzu while living with their aunt. A new transfer student, Satsuki, arrives at his school, bringing dark memories and secrets that threaten their life.

The comedic days of a nervous teacher who everyone sees as fearsome.