_{[ Instantly, Katsura seems to brighten up at the invitation. Gintoki should have seen that coming. ]}

You want me to come over more often?
_{[ Gintoki said nothing that implies that, but Katsura is going to take Gintoki's words and interpret them how he feels. ]}

Ah, I'm awfully busy— I'm not sure if I could regularly make time for that.
_{[ He resumes cleaning the dishes and then puts them away. ]}

Perhaps for a longtime friend I can.