The Soldier Ruined My Innocence

Mr. Isaac Quinto had not been the same after serving as a soldier in the second world war. He came back as a real monster... And he turned his castle to be like a big prison.
Only his love for his new maid Serena was his cure to heal his wounds. The problem was her young age as sixteen years old girl.
She was raped on her birthday... And he kept coming back to rape her on her birthday every year.
.....