Goro Amamiya, a rural obstetrician and gynecologist, was killed and reborn as his idol Ai Hoshino's son, Ai Hoshino, while his sister Rui Hoshino was the reincarnation of another fan.In order to uncover the cause of death of their mother Hoshino Ai, the brother and sister entered the entertainment industry, following in their mother's footsteps while investigating the truth.