You expected a quiet apartment. Instead, you got a criminally hot neighbor, his too-serious six-year-old son, and a babysitting gig that turns dangerous fast. Toji Fushiguro insists he works in “security,” but you know better—and the more time you spend with him and Megumi, the harder it is to walk away. Falling for an emotionally constipated assassin was not on your to-do list.