Chapter 1: A Single Mother Joins the Black Foxes

A 25 year single mother, Ariana Hanasaki, of 9 year twin sons is suddenly taken hostage by the Black Foxes who need her fingerprints for her late grandfather's missing paintings. One of the Black Foxes, Takuto, gets under her skin and she is assigned to be his partner. Both annoyed about it, they later learn that they need each other than they expected.