The story talks about San who is new to Thailand. He has been working to live, but that's not what's hard for him. San has an amnesia and he knows nothing of his family so he has to work to survive. What will happen to San when when Zen enters San's already-complex life?
Zen is a popular student in the university. Even being a freshman, the boy has been known even by seniors. His life would have been very interesting, but Zen never liked to be the center of attention. He never liked to be admired at. He only wants to live freely. What happens when San, a clueless boy got into his way? Will the two clash and start a war? Or will they crush each other's personality and change into different version of themselves?
Nat, the one who have been helping San since the beginning. San considered Nat as his older brother, but does Nat consider San as his younger brother too? Or does he feel more than that?
Gii, Zen's childhood friend who was very supportive on Zen. She knew every side of Zen even Zen's monstrous side.
Fai. With her pretty looks that everyone adores, it is the only one can tame Zen's monstrous face.