: A cheerful four-year-old girl who arrives in the city on Christmas Day looking for her father. Key Plot Points
: A criminal contractor who is outgoing, loves gambling, and has "golden retriever" energy.
: A stoic, skilled assassin who spends his downtime playing video games and has "black cat" energy.
The story follows two professional assassins and roommates who inadvertently become the guardians of a four-year-old girl.