C342 Explanation

He straightened up with a casual air.

Brushing off the hand he had used to lean against the wall, he dusted his clothes before plopping down onto the sofa. Wild Blade tilted his chin up, addressing Lu's sister, who was still giving him an icy glare.

"You're Lu's sister, aren't you? Let me make it clear—I haven't done a thing to your sister. So stop throwing accusations at me