Turning the Mafia Capo Into My Servant

Desperately trying to save her tiny family cafe from absolute destruction, a terrified young woman accidentally runs over the city's most incredibly vicious mafia capo with her car. When the utterly terrifying criminal magically wakes up with complete total amnesia, she brilliantly tricks him into becoming her absolutely obedient completely harmless servant. How completely apocalyptic will his magnificent bloody vengeance be when his incredibly dark memories violently return and he realizes he accidentally fell completely in love with his beautiful captor?