wait, did i miss something? why did lil mo have bite mark in his face😭

Darling, in this case he did it because verybody treated him like a dog (≧∀≦)
Although HeTian bites him whenever the change, there is an earlier chapter when HeTian "sucks" Mo's cheeks ⁄(⁄ ⁄·⁄ω⁄·⁄ ⁄)⁄
♡♡♡♡