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)
Hameta Tsumori ga Hamerareta!? ~Neteiru Guutara Juushi ni H na Itazura~ | I Thought I Fucked Her, But She Set Me Up Instead!? ~A Lewd Prank On My Sleeping Lazy Cousin~ Ch. 1 {Hennojin}