[Hearty Pine/Hara Nanase] is a righteous magical girl whose personality was extracted by Muddy Cherry, and whose remaining body was corrupted by Mire, an officer of the evil organization Plague Guard.
She was turned into his loyal servant, [Piña=Colada].

Piña, who has been given a giant horse-shaped cock by her master Mire, is ordered to masturbate in the form of her previous self, Pine, in order to test its performance.
Mire's little mouth and hands push Piña's cock to its limits, staining her master with milky white liquid, and her throbbing member then penetrates his asshole...

Contents: Futanari, Masturbation, Fellatio, Bukkake, Rimjob, Reverse Anal, etc...

The entire story is a reverse anal situation between a futanari woman and a femboy.
There are no male with male scenes, although other male characters appear as spectators in embarrassing situations.

It is a 16-page, full-color manga with a focus on erotic content.
It takes place after the events of Muddy Cherry 2. A small synopsis for part 1 and 2 are also included for those of you who haven't read them yet.

Synopsis: 2 pages
Main Story: 16 pages
Cover illustration: 2 variants[Piña=Colada]

The remnant of the girl who was once called [Hearty Pine/Hara Nanase]. Her personality was extracted by the very ally who was supposed to stand by her, [Muddy Cherry], leaving her body a hollow vessel that was then distorted by [Mire].

Her once bright and courageous personality has faded away, becoming an expressionless puppet that mutters nonsensical grunts.[Mire]

An officer of the evil organization [Plague Guard], which seeks to plunge the world into despair.

He took control of Hearty Pine's brain and transformed her into Piña=Colada, a futanari puppet loyal only to him.

A femboy with the body of a man and the mind of a woman, he is a deviant with a twisted fetish, satisfying his desire for dominance by granting his female underlings male genitalia and having them violate him.[Filth] (Left)
[Soil] (Right)

Two officers of the evil organization [Plague Guard], which seeks to plunge the world into despair, and colleagues of Mire.

It seems they were unaware of his (her) fetish.