A manga about Shirou Emiya who went to save Rin Tohsaka from captivity and is transformed into a female slave through physical feminization and brainwashing[Fate/ stay night)
[Amuai Okashi Seisakusho (Kagura Kurumi)] Zettai ni Ohime-sama ni Nanka Narimasen wa! ~Ohime-sama Taiken de Ohime-sama ni Sareta Ore~ | I will never become a princess! ~I was made into a princess through the princess experience~ [English]
Confined By Kouhai-chan And Turned Into A Feminized Female Fallen Sex Slave In The Underworld -Trans Dark Bitch Clown-
Succubus Shoku. ~Boukensha Ore, Meikyuu de Shokuryou ga Tsukita node Succubus ni Natte Kikan Shimasu~ | I, an Adventurer ran out of food in the dungeon, so I turned into a Succubus.