Kimi wa Meido-sama.

Hitoyoshi Yokoya is a high school student whose life was abruptly changed when a girl entered his life. A mystery girl with an appealing appearance came to his door and offered to be his maid. She’s an assassin. She saved his life after an accident, so he accepted. Hitoyoshi formerly lived alone, but now he has a homie. She knew nothing but killing people. She did her best to act like an everyday girl. She discovers a lot of new stuff that she never knew as a killer. They are now becoming attached. Hitoyoshi gave him the new name Yuki. Yuki may finally call someone her family and move on from her past.