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)
Fate/rewrite ~Rin to Sakura ga Servant-ka Sennou Sareru Hon~ | ~Rin and Sakura Brainwashing Book~ (Fate/Grand Order)
(C90) Oidemase!! 2-jigen Fuuzoku Gakuen | I Summon You! Interdimensional Sex Service Academy (Various)