Love Sick

Punn has a girlfriend, but his father wants him to date his friend's daughter. Punn's little sister, Pang, is obsessed with boys' love. Punn's father doesn't listen to Punn well but adores his little sister Pang. So Punn needs to convince Pang that he has a boyfriend so that she can help talk their father out of the idea of dating his friend's daughter.