[ It's true, the fantasy of it was the appeal, the ideal. Yamato was forthright, probably to a fault. Both her and Nariko had to be painfully aware of it - even when he did commit to dirty talk (and to come extent, to a limit, it came naturally to him) he did try to keep it to thinks he could or would do, things which were feasible if outlandish. It's a core misunderstanding, probably bore out of their father's penchant for grandiose promises.

It's why he even said that in the first place: some part of him suspected that even with her low stamina, Junko would demand more sex than even he could offer. And so to keep up going at it all day (something he suspected neither of them could afford even on winter break just time wise) he gave an alternative. ... But when she put it like that, Yamato quickly realizes...

... They're talking about fantasy here, right? He hopes? she wouldn't genuinely -- do that. Junko has far too much pride. And so, resolving to do this better, he grunts and, ]

I--- I could make a business out of it! [ ... Where the fuck is he going with this - ] Line up people to fuck the top of the class, sure I'd get more than enough for all of both of our gifts using your well trained cunt!

[ Was that good? Or was that too far? He's glad she can't see his face, because he pales with the anticipation even as his dick goes down to the base again with the next thrust ]