Kimi wa Meido-sama

Synopsis:

Yuki had been taught from a young age that her only value was as a killer, and all she knew was to work coldly and follow orders. Since she gets an opportunity to move on to bigger and better things, she shows up at the doorstep of Hitoyoshi Yokoya, requesting to be utilized as a servant? As a result, a former assassin's journey to understanding what it means to be "normal" begins.