Responses
Well, it's not her power. It's because herbal drink I think, she get prettier, slimmer, her pimples are gone, her hair from curly to straight, and she gets strong. If she's holding hand with her boyfriend or they touch more than that, she can share her energy with him, so she can prevent evil energy that following her boyfriend gets near him.
Indeed their relationship is cute and pure, but it costs her pimples and curly hair for one night spend together, their love sure is expensive, haha.
Almost all characters here kinda irk me so much, I'm barely hang on with this series. But, after chapter 60 it's getting better. If you want to drop this because the same reason, just hang in there until chapter 60.