A Good Day to be a Dog

A Good Day to be a Dog is a featured drama and romance webtoon created by Lee Hey; it updated every Wednesday. It's about a woman, named Hana, with a family curse of turning into a dog every midnight after her first kiss with a man. The only way to break the curse is to get a second kiss from the same person as a dog. After years of being careful and avoiding kissing anyone, Hana accidentally kisses the rude teacher, Mr. Jin, who happens to hate dogs. The original webtoon is in Korean.

Synopsis
Hana is cursed into a dog from her first kiss, and the only way for her to break from the curse is to get the second kiss from her first kiss.