Hsiao-fan Fan

Pawnshop manager Lin Tung-Ching's life has become too unpredictable since the lifeline of his left hand was damaged in a motorcycle accident. His girlfriend Eiko is desperate to find a way to help Tung-Ching retrieve his lifeline. She suggests they take customers palm prints, so she can practice her palm-reading. Even though Eiko is helping him, Lin feels attracted to a another girl, one who came to collect her pawned watch. He manages to meet her without Eiko knowing.

Devil Beside You, originally a Japanese manga turned Taiwanese drama, basically revolves around a typical love triangle. (imdb)