Gen's impression of Iroha so far is that he's similar to himself in trying to give people what they want, but he doesn't know enough to determine if he does it for altruistic reasons. In case he's truly a nice guy who doesn't want to overstep boundaries, he offers him a nod of agreement. Right now, he thinks it would take a long time to get to too much, though.

"Ah!" The butt grab takes him by surprise, but the second he feels Iroha pressed against him, Gen leans back into it with a full up and down grind.

"Good idea. This isn't going to be appropriate for young bears to watch." As if a garden full of fucking statues was perfectly fine.