C314 Big Brother Was Angered by Fourth Brother!

The boy, as gentle as an angel, almost rolled his eyes at his brother's childish behavior.

"Second brother's mental state is unstable, so it's understandable when he acts immature about our sister. But what's your excuse, Mr. Scientist?"

After receiving a disdainful look from his brother, Chi Xi chose to ignore it. After all, his sister wanted him to keep her company tonight