Author's name: exo_otp

Do You Regret? 
http://www.asianfanfics.com/story/view/995225/do-you-regret-angst-fluff-romance-mpreg-exo-hunhan-chanbaek
Main characters: EXO, Oh Sehun, Xi Luhan 

Description: 
Oh Sehun is a simple college student, who made nothing wrong exept abandoning his foster family for his insecurities, but when he had to go back, he met his foster sister's husband Xi Luhan. 
Not did he only fell in love with him, but he made his biggest mistake by making him pregnant. 

Genre: Angst, romance 

Rated: Mature  
Status: ongoing