) They're missing the whole point of this arc. This arc actually shows Iruma's growth as ranked-5 and his confidence in this arc is such a good development compared to the first chapter whereas he was seen as shy an timid guy. 
Of course the demons would use a pseudo-Hebrew alphabet, lmao. And they forcing an innocent human to cross-dress is very fitting, now that I think about it.
Yes, but but Alice's Mom was Raim's master. Making her Clara's Master's Master. Or Master².Wait, doesn´t soppous Clara´s Master was Raim, the succubus teacher?, Im wrong?. I know Alice mom is a famous succubus but I dont remember any interaction between Clara and her