Chapter 202 His first instinct was to toss away the little thing biting his hand, but Xi quickly remembered that this was his little brother and forcefully reined in the impulse. Su hadn't grown teeth yet, so his soft pink gums didn't hurt at all even when he bit down with all his might. Frustrated that he hadn't managed to tear off any meat, Su put so much effort into it that even his tail strained, wagging back and forth with fierce determination. Xi really wanted to play along with his…