Grace Rivers' Rehabilitation Center: The Candy Course

Slavenka Horvat is an assassin working for a nebulous crime syndicate. Her mission is to be turned into a mindless slave by the infamous mind controller Grace Rivers, as the first step of a contract that could throw the world into chaos. But instead of taking the bait, Rivers decides to turn Slavenka into a stupid, harmless bimbo.

For that purpose, she implants Slavenka with her most powerful technology, allowing her to take control of the assassin's senses...And thus begins Slavenka's bimbofication.