Tao awakes to find himself in a position he never thought was possible. A Guardian Angel, instructed with a strict set of rules. 1. Keep your distance. 2. You are to observe and protect your specimen, but not involve yourself. 3. Expression of emotion is forbidden. 4. Be alert at all times. 5. Inappropriate actions will end in termination.

Ellie could care less about relationships. But when she's forced to go to a piano/voice lesson her dad is teaching to a mysterious boy from South Korea, she finds all she's ever believed in isn't always true.

Kwangmin and Youngmin are inseperable twins that can't live without each other. What will happen when there's a twist of fate?