Demon Boy: Red Rose of Revenge 2011 魔少年　復讐の赤い薔薇

Something's different. Something's wrong. He says there were events he doesn't remember, there are things in his room he doesn't recognize... and in the end, he has no choice but to quit his job without even realizing it... he's had a constant sense of discomfort, as if he's being watched or framed by someone.