Switch

After suffering a heartbreak due to her ex-boyfriend's betrayal, Do-Hui vows to enjoy casual relationships from now on. Two men appear before her. One is her prickly, cold-hearted boss, and the other is a cute, handsome, popular actor. Do-Hui, meeting two men with contrasting charms and sexual preferences, realizes she's a "switch." In a month, she must choose between the two. Who will she choose?

(Source: Mr.Blue, translated)