The main character [Chieri Ousaka] is a girl who is very busy studying and falling in love.
She is also the true identity of [Hearty Cherry], a transformed heroine of justice who secretly fights against the evil organization [PlagueGuard] to protect world peace.

One day, she is separated from her friends by a cornered PlagueGuard executive [Soil]'s trap, and is humiliated by his slime.
Hearty Cherry does not succumb to any kind of pleasure torture, but she is forced to have sex in front of her beloved childhood friend [Reishi] hostage...

What will be the outcome of her being swallowed up by despair and evil mud?

This is a 31-page full-color comic.
The heroine is pushed into a crisis, and there are scenes in which she becomes corrupted towards the end of the story.

As additional content, we also store a mini CG collection with 2 basic pictures and a total of 17 pages.
Contains spoilers for the main story, so please enjoy after reading.[Hearty Cherry]
[Chieri Osaka]
The main character of this story.
She is a girl who works hard in everything she does, but she can also be a little careless.
She has a faint crush on her childhood friend Reiji.

After her transformation, she becomes a strength for the team with her sense of justice and ethics.

She has the mental fortitude to endure torture and humiliation on her own, but she also panics as soon as her loved ones are in danger.[soil]
An executive of the hostile organization [Plague Guard] who seeks to paint the world in despair.

He looks like a boy who doesn't look much different from Cherry and the others, but he is an evil and ferocious being.

Due to his repeated failures, his position within the organization is in jeopardy, and he takes a gamble by training and brainwashing the abducted Cherry to become his subordinate...[Reishi Ozuka]
[Cherry/Chieri]'s childhood friend and the person she cares about.
He is like a family member, quietly snuggling up to and watching over her hard-working girlfriend.

In the middle of the story, he is taken hostage by [Soil].
[Cherry] begs him to be released, but...?[Hearty Cassis]
[Suguri Kurofusa]

[Hearty Pine]
[Nanase Hara]
[Cherry]'s teammate.
[Cassis] is a calm and collected type of person who thinks too much and can't take action.
[Pine] is the type of person who is lively and pushy, and whose body moves before thinking.

Although the two do not get along well with each other, they become a united team thanks to [Cherry]'s follow-up.