C512 Old Regimes of the Sun Family
Professor Sun was notorious for his irritable temper in B City. No matter who he was facing, he could use his venomous tongue to curse and cry at the other party. If the other party refused to admit defeat, he would roll up his sleeves and start fighting.
Although he was old, when he was young, he was one of the most talented people in B City.
Not to mention Ling Yanhao