Is Mr. Cinderella coming back?

Follows the story of Dung, who often called Khoa his "Cinderella" when they were young but he losses contact with her (he thought Khoa is a girl). A few years later, Dung worked in a small restaurant and was later fired. An incident happened but luckily he was saved by a doctor. Later, he found out the one who save him was "his Cinderella" that he likes.