His Bid for a Bride (TAKADA Yuuko)

[taken from fictiondb]

When Skye O'Hara's life is rocked by tragedy, she's reunited with Falkner Harrington--her father's enigmatic business partner. Needing some time to consider her future, Skye has no other option but to accept when Falkner offers her the sanctuary of his home.

But as the tension and chemistry sizzle between them, living with the dark-hearted tycoon becomes a real challenge! Especially when Falkner makes a demand in return for his hospitality--his new housemate must become his very convenient wife!