"Please give me the strength to fight, Lilica." Hardworking Lilica and popular top student Rurika are just ordinary middle schoolers. Lilica admired the kind and dependable Rurika, yet harbored a slight inferiority complex. One day, guided by a voice from her smartphone, Lirica becomes a magical girl—but...?

Venom, Darling Dance, Failure Girl and other famous songs by the popular vocaloid P, Kairiki Bear, have been turned into "Stories"! Loneliness is like poison, I have nothing, I'm a failure, I'm a failure, and so on... In a social networking site where girls vent their pain, she comes across a rumor of "Courtship Girl Syndrome," which only teenage girls are affected by. She thought it was just a myth, a disease with a cute name and symptoms like those of a manga character. However, the abnormalities that began to occur in the girl's body as a result of a certain problem are very similar to the rumors...? We are affected by the blue spring disease.

Venom, Darling Dance, Failure Girl, and other famous songs by the popular Vocaloid producer Kairiki Bear have been turned into "stories"! Loneliness is like poison, I have nothing, I'm a failure, I'm a failure, and so on... In a social networking site where girls vent their pain, she comes across a rumor of "Courtship Girl Syndrome," which only teenage girls are affected by. She thought it was just a myth, a disease with a cute name and symptoms like those of a manga character. However, the abnormalities that began to occur in the girl's body as a result of a certain problem are very similar to the rumors...? We are affected by the youth disease. (Source: Kadokawa, translated)