Hitoyoshi Yokoya is a high school student living on his own. One day, an unknown girl appears at his doorstep, offering her services as a maid. She reveals that she was once an assassin, which leaves Hitoyoshi feeling uneasy. However, when her skills prevent him from being struck by a truck, he decides to let her stay.
Surprisingly, this mysterious girl has no knowledge of household chores. Her only expertise comes from years dedicated to mastering assassination. Despite this, her time with Hitoyoshi introduces her to emotions she had never felt before, inspiring her to strive for a more ordinary life.
Raised to believe her only worth was as a killer, Yuki had known nothing but cold efficiency and strict obedience to commands. Now, with the chance to start anew, she stands at Hitoyoshi Yokoya's door, seeking a job as a maid. Thus begins the story of a former assassin learning what it means to live a 'normal' life!
Feels like a "defeated raid boss becomes playable character" moment.