Koisuru Shuumatsu
恋する週末
-Description
Emma is so serious and naive that she is nicknamed "the nun" at her workplace. Then she spends a spontaneous night with Michael, a man she met on a trip. Emma thinks it is just a one-night dream, but she’s surprised when he reappears before her. Unfortunately, she realizes that he was just using her! Now a furious Emma is ready for payback… Source: Harlequin