"Hey, someone grab this magical girl and throw her out."

A high school entrance ceremony. Fujisaki Kanon, who possessed memories from her previous life, realized that she had been reborn into the world of an otome game. Kanon anticipates developments going according to the game. However, in the seat where the plain-looking best friend character should be sitting, there was a beautiful girl with an appearance far more heroine-like than Kanon herself, who was supposed to be the heroine! And she declares: "I am the love-supporting magical girl Lovely☆Aria! I'll cheer you on in your romance!" — Go back to the world you're supposed to be in.