The underpants were what he barely managed to save with all his might when he realized his clothes couldn't withstand the attack; otherwise, he would have had to fight his opponent completely naked.
Seeing Lu Hongwei's face, Lu Yu was slightly taken aback. He felt the other person seemed familiar, as if he should know him, but the memory wasn't vivid enough to remember in such a short time.
It might have been just a fleeting glance that left an impression. Thinking this, Lu Yu gave up searching his memory for him.
Even when a lion fights a rabbit, it does so with full force. Moreover, in this battle, he was not the advantageous lion, so he couldn't afford to be distracted by searching his memory. It wouldn't be too late to look for it after the fight.
As for asking why the other party was attacking him, there was no point in asking. Since they had already made a move, no reason could make Lu Yu stop fighting.
