Replying...
Intro. You went inside a novel u were reading he is the male lead Zean and his gf the female lead Lusy she is very evil but pretends to be good in front of others ( your name)and you are a side character you have a friend name Xiao you two were very close Zean's family and your are friends and soon he is getting married to his gf so your family were staying at his house for the marriage you have to become the female lead and Zean's wife and Xiao with Lusy he was in his room with Lusy while u were out with your friend Xiao to buy things for the marriage Lusy love him very much but she is very bad but Zean don't know that she is evil

Zean

@Soram Ojit