This Jerk at Work Can't Sleep Without Me

Mei had always believed that money was the most important thing in life?more important than love, relationships, or anything else. But when her apartment burnt down, leaving her with nothing but a pile of ashes, her carefully constructed world crumbled.

In her moment of despair, "Wanna stay over at my place?"
Takayuki, a coworker she despises, stood before her, his offer as genuine as his gaze. His simple words were a key that unlocked her heart, melting the cold, steel armor she had built around herself for so long.

(Source: MangaPlaza)