@red_bean_casserole , @Umesan It's probably the same root as the "nuki" used here, though I don't have the raws to check. If it is, then it does seem to be a euphemism for masturbation.
@MemeManKaito a new group (or maybe just a single person?) is re-typsetting the translation onto higher-resolution scans. Chapter 1 got the biggest improvement, but it looks like they're continuing and did Chapter 2 recently.
When Juju first showed up in just a couple panels, I thought she seemed like a jerk.
It turns out she actually just made a hasty judgement off too little information.
...
I'm sowwie... Forgib me...
@KatoShuu I think that line is spoken by the main character (who probably has a name but I don't remember it). "What did you say?" is a pretty common reaction to somebody saying something unbelievable or stupid.