[there's a strained little chuckle at that first part]

Tsukasa-kun is as perceptive as usual...

[he sounds a little defeated, considering Tsukasa's usual lack of tact but, well... It wouldn't be Keiwa if he didn't take the (un)intentional insult with his usual patience. Besides, the offer of a cough drop was as good an indication as any that the younger Yugi twin was just trying to look out for people in his own way.

Keiwa shakes his head to turn down the cough drop though]

What brings you all the way out here? Oh- We have some extra zenzai, would you like some?