After graduating, Thanrak made a promise to himself: he would never do anything more tiring than necessary. Eat well, sleep well, and be as adorable as possible each day. But then an opportunity came knocking right at his door when Akin, a young pilot he had known since childhood, found himself struggling as a single father in search of a nanny for his daughter, Plaifah. Naturally, Thanrak—the only volunteer—agreed without hesitation. And that became the beginning of a new job that left the new nanny barely able to keep his heart under control. The father is handsome, the niece is adorable. Taking care of a child may not be difficult… but keeping his heart from falling? Who could possibly manage that?