After meeting Nana Yagi, Honoka Furukawa, and Nana Miho at a fan event, a devoted admirer falls asleep dreaming about their sweet voices, playful teasing, and irresistible charm. He wakes to find all three standing before him and asking him to become their producer and make them famous. His fantasy quickly turns into an unexpected harem as each woman competes to prove that sex with her is the best, while their new producer vows to shape them into shining stars in his own intimate way.