I took a runaway girl and trained her to be my own

A 148cm tall girl with a scourge who runs away from home and sits alone in an unpopular park. He is looked upon by a man with a nasty thought and brought to a suspicious room. There he is defiled by his miserable body, raped and imprisoned. Even when they ask for help, they are trapped in a dungeon where no one comes, and are tamed like pets, their fate is...