Watashi Kyou kara Oshi no Oshi!

Sumiko Hikage, 33 years old, is a pure-blooded idol otaku (fan). The highly anticipated Budokan performance for the idol group she was supporting is abruptly canceled due to a scandal involving one of the members.

Feeling desperate, she is suddenly captivated by the street idol Chika, and receives a divine revelation: "I want to support this girl!!"

However, the two of them are involved in an accident, and when they wake up, their bodies have been switched...