https://www.dlsite.com/maniax/work/=/product_id/RJ01397432.html
https://www.dmm.co.jp/dc/doujin/-/detail/=/cid=d_593569/

[Synopsis]

Fallen Angels, an evil organization plotting world domination, are expanding their influence by brainwashing kidnapped citizens into Fallen Angel combatants.
To counter this dangerous organization, the World Government established the anti-Fallen Angel annihilation organization, HERO.
Two heroines of justice, Kano Amane and Taku Shimazaki, belong to HERO and set out to defeat the rampaging Fallen Angels in order to protect the peace of the citizens.
During the battle, they encounter Buhitas, a Fallen Angel executive pig monster.
Kano challenges Buhitas but is defeated and taken to the Fallen Angel's hideout.
Once abducted, Kano is subjected to pleasure brainwashing in order to be brainwashed into becoming a Fallen Angel combatant and to be identified as Buhitas's wife.
Kano resisted at first but was threatened that the hostages' lives would be in danger if she didn't do as she was told.
Among the hostages was Taku, the man Kano loved.
The hostages' lives came first... and Taku's life was in danger above all else, so Kano had no choice but to endure the humiliating torture of Buhitas's pleasure brainwashing...

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