So it's been well-established that Deviluke is ok with polygamy, but what are their thoughts on incest?
I'm pretty sure Gid just lets everyone do whatever the fuck they want.
Momo was pretty accepting of the fact that Mikan wants to fuck her brother.
Clearly not too bad; we've seen Momo and Nana mess around sexually a few times now. I doubt it's because they're royalty either, since there doesn't seem to be any interest with maintaining a pure bloodline either, between the interspecies relationships shown and Gil being so easy to accept Rito.
Nemesis trolling Mikan is going to be amazing. You know it'll happen.
Let's keep mikanposting only
Lala would be fine with anything as long as everyone lives happily forever after.
I'm pretty sure she would even accept Ren or even Zustin into the harem marriage without problems