I've been curios for a long time... Is it allowed to ask for translation of some text on the pic to see if it contains MC or not? Even if said picture doesn't have any clear signs of it?
I don't think that this is a huge violation of 'MC-only' rules and it obviously would be a huge help for everyone.

For example this:

www.pixiv.net/member_illu...um&illust_id=63165007

or this:

www.pixiv.net/member_illu...um&illust_id=63258155

First one - succubus, binding, some kind of status alignment. Second one - smell and obvious domination.
Now we just need to determine if there any kind of MC involved, even if it's something simple as mind break or addiction to something.

Going from the recommended pics there, there seems to be a delightful sub-genre of succubi holding shotas in their tits.

Mmm.

I could stand to take a look at some of these. At least to advertise that I'm available for translation commissions.