I don't think the extra is supposed to have a joke per se. It's a what if they were opposite genders kinda thing. Maybe the joke is that nothing really changed? Sacchan is still a hornball and Ken-chan is still submissive.
Oneshot guy's name is "_______ Riku" and this guy's name is "Chigusa ________".
So it's impossible to say, going by names anyway. Maybe you could be more definitive by comparing faces, but I have no idea.
I'm hoping it's more like... we get a couple more pages of backstory on how Chigusa brought Messiah into the family, showing him coming to think of her as a daughter, and now asking Nezumi to let him bury her before he dies.
To answer the question in the credits: The raw for chapter 2 has been available for over 2 weeks. The series seems to post a half chapter every week... or was until nothing new this week.
The pixiv used to have porn of the cousins on it. They're marketing this volume pretty strongly, so I think they have high hopes for it. They probably stipulated he take anything objectionable down for that reason.
I'm almost certain that the way I wrote it is to-the-letter grammatically correct, but I didn't like the way it sounded anyway, so I just completely rewrote the line.
To elaborate on this, the line "I don't even measure up to my predecessor." should be "She has nothing on her predecessor." or something like that.
Also, on page 2 he's "Lion" and on page 4, "Leon". Should be Leon for both.
Makes sense. It's just easier to read with the recognizable brand names anyway.
Even if they were going to be receptive of help, I simply don't have the time anymore. I've picked up other projects since then.
They are censored, actually. In this chapter "Mario" is written "マリ男" which can be read "Mario" sure, but it's "Mari-man" basically. And Switch is "トゥイッチ" which is "Twitch"
I guess I'll share this now: I approached sirotus via this forum's DM feature almost 3 months ago (and they replied within 2 days), offering to help them catch up to the raws. I was politely turned down on the grounds that this was a little passion project between them and their friend. Whether...