Both dramas have obsessive male leads who are withdrawn and angsty. The only bright spot in their lives is the female lead. They're both very protective of her. In both dramas their whole lives & every decision they make revolves around her.
Both male leads hide their dark sides behind a friendly facade. As the drama progresses that mask starts to slip.
Both dramas feature childhood frenemies that slowly fall in love.
Both heroines start out with a one sided love for the hero. The hero is emotionally unavailable.
Both shows are school dramas with dark mysteries, secret double lives and twins.
