Kengo immediately pressed his lips together and went a bit wide-eyed at the other's words, unsure if he should try to argue his point with the other or not. It was the way the time period was referenced during his own time. "I didn't mean to speak ill of anyone." He wasn't even sure where the other had gotten the idea of an insult.

"My own time is more than a thousand years later than yours, so my knowledge of where you come from isn't thorough. ... aside from that, China's history tends to be romanticized in my culture, so I'm sure there are some details I'd get wrong." At this point, he felt like he was just making excuses to try and recover from the slight.

Rather than keep rambling, Kengo settled for deeply bowing his head in apology. "... I'm sorry."