In Japan during the height of its economic boom in the mid-1950s, the circus was a form of entertainment that became a central part of many people's lives. The best troupes are permitted to participate in the world-renowned Circus Collection festival, and many come from all over Japan to compete daily. The story centers on the struggling Sunflower Circus troupe, led by ringmaster Maria, and a new prodigy that joins their ranks for unknown reasons: Mizuka Tsurumaki. Is her encounter with the highly individual members of the Sunflower Circus troupe a coincidence or destiny? This one-of-a-kind circus show depicting young girls chasing their dreams begins! (Source: Official site, translated)

The Royal Diana Academy is a prestigious school that accepts individuals with adept magical abilities. Upon graduation, these students find themselves at the top of their field or employed by the royal family. Spica Virgo dreams of studying at the academy, aiming to be a top-rate sorceress like her idol Claude Sirius. Claude is a world-renowned sorcerer who became the institution's youngest instructor, but mysteriously disappeared soon after. Lacking the experience and connections required for admission, Spica finds herself unable to make meaningful progress with her training. One day, however, she meets a talking black cat with magical abilities. Hoping to change the situation for the better, she begs the animal to take her as his apprentice and teach her the magic she needs to attend the academy. The cat accepts the deal on one condition—she must find a way to reverse his feline curse. Despite the arduous challenges ahead of her, Spica is determined to prove herself as a student worthy of the cat's mentorship.

Kuroe Akaishi is an introverted, quiet, and seemingly normal high school girl. Though accustomed to being alone, her dreary days begin to change when she meets Arata Minami, a bright and handsome boy in her class. Despite his popular status, he is kind enough to reach out to an outcast like her; soon, Kuroe finds her heart begins to pound around him. It keeps pounding and pounding and pounding until Kuroe transforms into a monstrous kaijuu! She has a certain affliction: as her embarrassment grows, so do the monstrous appendages from her body; and when it hits a peak, she unleashes the full extent of her transformation. At the same time, beauty meets the kaijuu, and Japan faces off against the looming threat of the mysterious monster. Can Minami accept her feelings, or will he too be frightened off by her colossal form? Depending on his decision, the world may experience the full devastation of a girl's heart-pumping, youthful love.

Pyaaaaaahhhh!!! Thrown together out of the blue to make their debut, these members each have a spark of unique talent—but they are in absolutely no shape to actually be a band. Can these girls, and their band, really survive this!? Even when the sound stops, fight back.