Senku heard it, in what he said, and he was mildly amused even if he was just teasing Gen a little bit.

"Yeah, but once it's built you don't have to do anything else, that's the best part. Unless you're like me and keep fussing with it." Senku mused. "Then again, we could always have a rule that I can't modify the house. My dad had rules like that." He said with a snicker.

There was probably a story there.

"Ah, that's true, we could get the gorilla team on that."