■Story
"There is a princess living in the heart of every girl."
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This mysterious illness became known to the public only about two years ago.
It resembles a form of multiple personality disorder that sprouts in adolescent girls, varying in severity from mild to severe depending on the individual.
In severe cases, a complete alternate personality can emerge due to certain .
During this transformation, they gain access to a special power known as , and depending on the transformed personality, they may wreak havoc using this power.
In other words, it is a troublesome illness.
Eventually, the girls affected by this illness came to be called and were gathered in one school to make it easier to manage the situation.
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Located on an island called , isolated from the city, it was a girls' academy where many gathered.
One day, a boy arrives at this academy.
His name is Yuji Arisu.
He is the who can stop the ' rampages.
Commonly known as the .
登場キャラクター (Characters)
● Izumi Tsukioka (CV: Kyoko Mitsu)
A second-year student at the academy.
She is in the same class as Yuji.
Having lived near Yuji's house in the past, they are childhood friends.
She has a somewhat naive side and occasionally speaks in a lively, outrageous manner.
She is a super VIP daughter from a prestigious family, a so-called sheltered girl.
Having never seen the outside world, she is somewhat out of touch with reality.
The residing within her is .
It manifests when her "curiosity" is stimulated.
She is one of the two S-rank cases on the island and uses a powerful ability called to bind people and objects around her.
"...I won't desire anything today. If I don't seek it, I'll be fine."
● Mikan Kurimiya (CV: Usa Fujisaki)
A third-year student at the academy.
She is a senior, one year older than Yuji.
Although she is older, her small stature is contrasted by her large breasts, which often become a topic of teasing.
People around her treat her like a child, and while she gets angry about it, her reactions are so cute that everyone intentionally tries to provoke her.
She is straightforward and shy.
She panics when embarrassed.
The living within her is .
It manifests when her "feelings of regret" are stimulated.
She has a B-rank and uses a ability called , washing away her surroundings with tears of milk.
During her transformation, she becomes extremely negative and a crybaby.
"My name is Mikan Kurimiya, a third-year student! I'm Yuji-kun's senior!"
● Hoshiko Arisu (CV: Hana Kiriyama)
A first-year student at the academy.
She is Yuji's younger sister.
Her personality is bright, lively, and strong-willed.
She is a mood maker.
With an outstanding figure and incredible beauty, she is, unfortunately, a bit lacking in some areas.
She is fearless and enjoys being the center of attention.
Although she doesn't show it, she has an extreme brother complex and follows the protagonist to the academy.
The in her heart is .
It manifests when her "jealousy" is stimulated.
She has an A-rank and uses a ability called , turning anything other than low-mass organisms into bubbles and erasing them.
"Brother, of course I miss you if I can't see you, Hoshiko!"
● Rina Koinokawa (CV: Ichigo Momoi)
A second-year student at the academy.
She is in the same class as Yuji.
She serves as the chairperson of the academy's organization, the , which aims to calm the girls afflicted by .
Using a mysterious water gun called the , she works to pacify the girls who transform into and run amok.
She may seem taciturn, but she is surprisingly talkative and sharp-tongued.
In fact, she tends to say everything she feels and sees without holding back.
She advocates a theory called the "Everyday Fastest Theory," and her actions are based on this theory.
Multitasking is her passion, and she never neglects self-discipline.
She has no sense of shame and naturally shows interest in erotic topics.
"...I always strive to live efficiently."
● Yuji Arisu
The protagonist of the story.
A second-year student at the academy.
He excels academically and athletically.
His athletic abilities are almost superhuman.
Due to the nickname given to him in the past, he struggles with social interactions.
He possesses the power of a to counter the and transfers to the academy to help the girls suffering from .
