Those who like Jiang Mianmian and have good feelings towards her all know that she has several brothers in school.
None of her brothers are easy to deal with, especially Yu Cheng, whom quite a few students at Capital University are somewhat afraid of.
One reason is that he usually doesn't smile and is cold to everyone, plus his strong presence makes these students, who haven't yet stepped into society, feel some trepidation when they see him.
Another important reason is that Yu Cheng is particularly fierce when he fights, and he's famously protective of his sister, not allowing any man to have ideas about Jiang Mianmian.
Yu Cheng knows this Senior Du, and he knows Little Lamb is not interested in him, so as long as this guy stays polite and doesn't persistently harass Little Lamb, Yu Cheng won't resort to violence.
He just coldly warned, "Senior Du, Mianmian is still young, and the family elders don't allow her to date early. I hope you don't appear in front of her again."
