Happy Marriage?! Vol. 3 (manga)

Chiwa Takanashi has married a total stranger—company president Hokuto Mamiya—to get her father out of debt. While on an overnight trip together to his hometown, Hokuto reveals the circumstances of his birth. Chiwa makes the decision to remain with Hokuto, and falls deeper in love with the man she married. But will she still feel the same way once Hokuto confesses the real reason he married her?