Part of the Horror/Dark Multiverse, you can basically associate them as a group of living nightmares and the Upside-down man(the one in the picture) is one of the oldest magical beings and should be the leader of the group who can alter reality.

Good Point. No matter how good the manga is or how impactful the story is, there is no way in hell anyone can remember every detail.

It must be the muscle mice from the Demon Slayer series. The one Tengen has.

If he summons someone from Full Metal Alchemist (like one of the homunculus) at least it won't ruin the theme of him being Roy Mustang. If he just summons anybody, then the fic might be ruined.

I think I read that story already. The story was that Hinata found a summoning scroll and accidentally summoned a modern-day soul with 'Sesshomaru's' appearance and became her husband(Hinata being a 6-year-old child I think, I don't think her age was mentioned). Naruto was also gender bent into a girl and became his daughter.

I wonder what the MC's first manga will be. Will it be a romance like 'Fruit's Basket' or 'Kimi ni Todoke', a Comedy like 'Tomo-chan is a Girl' or 'Gran Blue', a rom-com like 'Toradora' or 'Maid Sama' or will it be a jerker like 'Angel Beasts' or 'Your Lie in April'. Personally, I would love it if he would make 'My Dress up Darling' or 'Love Live' as his manga cause it would fit the theme of Oshi no Ko, what being their world focused on the Entertainment Industry, so fashion or idol-related works would be a thing there. Maybe SpyXFamily as well if he can work around the fact that it's still an ongoing work. Of course, he could go against the norm and work outside the troupe and use other genres but he might not catch the audience's attention of his world as we don't know what other anime characters that might appear in the story. Overall, I'm hoping this series will continue as it has good potential. Do your best author!

There's also the Aizen, Gin, Tosen, the other Arrancar, the other Espada's, (possibly)the Zero Squad Captains, the Quicy Army, and the Visords. Forget Thirteen Kage Level Combatant, they might as well have more than Hundred if not Thousands.

I wonder if the author will add the Manga 'Kingdom'. Its story is set in Ancient China, as Qing Shi Huang, or King Ying Zhi was about to take his place as king. I won't tell every detail since the actual manga is nearly 800(790+) chapters but it tells how a young slave boy saved the soon-to-be king and became his trusted friend as they try and face the struggles to unify China. The story roughly follows the actual history with some imagination(like the three kingdom novel).

You won't be able to find it, the wiki isn't complete so getting an image there won't help. You should read the manga if you can find a complete source, but the drawings follow an old style, excluding the handle the knife is literally made of ice, and using the thing will give whoever is using it frostbites and the thing only had like one appearance and was broken.

And so it begins, the second coming of Gildarts!

Likely around 70(76-78) years old given that he can still remember Ace's death.

Fun fact, in the manga when Law and Eustress Kidd met at the slave auction house, Law gave the middle finger greeting but in the anime that was censored for obvious reasons.