Based on just the content I wouldn't call this a yuri series... and I'm fine with that, stories don't need to be yuri to interest me. There's like one promise-bite-kiss that suggests this isn't about Hinako and her two youkai foster mommies/aunts.
15: "she said... that time", mangled sentence. Maybe move it, "She said that time that she has never been to karaoke." Or "She said last time", if accurate.
"would have been new", may not wrong, but "would be" sounds better.
Thanks for the glossary! Good overall.
"Her backside of clothes" -- if it's what I think it is, better "Her cape has a Red..."
"reuglar" - regular
"decipted" - "depicted"
"Same kanji is used for Japan's Kanjinized name" - I have no idea what this means
"Eight Illusion" - Eighth Illusion
"look towards the future and want to build institutions that will outlive them." is a rather whitewashed way of putting "kill or enslave lots of people for profit".
And yeah, the average Arab or Persian leader was probably not morally better than the Mongol leaders, and the story starts with...