Koishi Irodoru Seigiranman | 恋し彩る正義爛漫

――When he was a child, he wanted to be a Hero of Justice. To protect everyone's peace and defeat the evil. Kourenji Hayato had always admired such strong and gallant heroes. But after all, it was just a child's daydream...... Before he knew it, as he grew older, that kind of dream had faded away――

Time passes, at the time to enroll at a high school, Hayato moves from the countryside to the city where his relatives run a boarding house. A bustling and brightly sight that is quite different from the countryside, while he is walking in the street in bewilderment―― He runs into a bus being hijacked by a very suspicious​ group wearing masks.

Hayato is trembling and unable to escape. Then, dressed in a pure white outfit, a heroine comes rushing in gallantly.

"The darkness that is spreading in this world, shall be slashed away with white light! The Emissary of Justice "Marron Branche", here I come!"

The disguised heroine disperses the masked group with her spectacular moves―― Unconsciously captivated by the scene, Hayato gets caught up in the midst of her fight. At this time, he accidentally sees the identity of the girl, and to his surprise, she is his cousin whom he has known since he was young, Shirakawa Mikuri.

"Everyone has things they wish to keep as a secret for themselves. So, I wish for this to stay as a secret from everyone."

Hayato makes such an agreement with Mikuri.

The Heroine of Justice, the evil organization, and finding out the secret of his cousin...... Hayato's life at his new school and the boarding house, what is to become of him――

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Mikuri Shirakawa (CV: Minami Haruno) Grade: 1st grade Height: 156cm 3 sizes: 87/55/80

A cousin and classmate of the main character, Satoru. She has an older sister, Momoyo Shirakawa, who is one year older than her and attends the same school.

She is a naturally soft and beautiful girl who is as adorable as a small animal, and she has many fans, both male and female, in her class. However, because she is too natural, she is treated as a protected object and kept away from naughty things as being dangerous.

When she was young, she was attacked by a wild dog and was saved by Hayato. Although there was a period when she did not see him for many years, she continued to think of him wholeheartedly.

Wearing a battle suit invented by her older sister Momoyo, she transforms into her heroine of justice, Maron Blanche. After her transformation, she often behaves and behaves in ways that cannot be imagined from a normal, naturally fluffy, beautiful girl. After her transformation is over, she looks back at herself and often writhes alone in her embarrassment.

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Yukia Kurobane (CV: Momose Momokan) Grade: 1st grade Height: 161cm 3 sizes: 91/58/88

She is a first year student at the school and a class representative in the same class as Hayato and Mikuri. She gives the impression of being slim, but her body parts are clearly visible. Her black hair reaches down to her waist and her slit eyes are distinctive.

She is a bit distant from her classmates because of her strict type that values ​​discipline, but She is actually an honest and friendly person who cannot refuse when someone asks her to do something.

Her parents disappeared due to debt troubles, and perhaps because of that, she is a struggling student who is very passionate about her studies. At that time, she happened to find a good part-time job and as a result, As Black Snow, a female executive of an evil organization, she commands the Arkaid fighters, and she carries out the evil strategy with utmost precision.

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Hikari Takebe (CV: Kiiro Tsukino) Grade: 3rd grade Height: 139cm 3 sizes: 70/52/74

She is a third year student at the school and the oldest person at the boarding house where Souto and his friends live. However, no matter how you look at her appearance, she looks younger than you.

She remains a shut-in at her boarding house, spending her days in self-indulgence playing games and surfing the internet.

He is the type of person who is very particular about things that interest her, and he doesn't hesitate to spend her time forgetting about her eating and sleeping. Recently, she has been streaming videos such as game commentary, and the video that only shows her chest in a flat tank top, She has become very popular because her nipples are almost visible and you can't see them.

She has the face of a ninja and is known as "She is Kagiro". She seems to have some big secret about her true identity, but she is at her own pace, no matter where the wind blows.

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Fujika Otone (CV: Ion Momoyama) Grade: 1st grade Height: 158cm 3 sizes: 80/55/82

The granddaughter of Morihiro Otone, Satoru's classmate and the school's president. She lives in a mansion that stands out in the town.

She has left her distant countryside and moved to the city, but she is not good at making friends on her own, as she has been treated with respect by those around her. Coupled with her arrogant behavior, she finds it difficult to fit in and becomes isolated, until she meets Satoru and Mikuri and they become friends.

Her secret side is that of the transformed heroine "Assault Cop'' who belongs to the Metropolitan Police Department's Security Department. Not only Arkner, who often causes trouble in the city, but also Maron Blanche are subject to arrest depending on her.

She, by the way, has no knowledge of her sexuality, and she seriously believes that the baby is brought to her by a stork.