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Hell's Fury looks quite a bit like a reference to
Yorha 2B from NieR: Automata, compare the skirts and hair, and the blindfold from it's companion item,
Heaven's Intuition(the hair of which is pretty similar to
Adam from the same game, imo).
Beauty and the BeastPrince's Beautiful Rose

Prince's Beautiful Rose actually is an MC, well a Belle inspired recolor of the MC
Prince's Rose (though only the second recolor so not a popular one?)
My Heart Leaps for G is a reference to An Cafe's song My Heart Leaps for C. The description of the item matches two lines of lyrics from the song.
Youtube videoLyricsRE: Colonel Spicy: It's specifically a reference to
this WWE bit where Colonel Sanders wrestles with an offbrand chicken sandwich mascot.
Alrighty.
Here's something I spotted immediately:
The mask pose from fremere's guard (

) is very reminiscent of the mask
Casshern wore from the
Live Action Movie (As bad as it was.)
A bunch of other mechs have similar masks, most notably
Optimus Prime. (The mask DOES work for an Optimus, but its' shape isn't quite correct, so I'm leaving it up to your discretion to add it to a TF category.)
There's also this thing for TF that was an actual licensed item:

EDIT: Transformers items can go in the cartoon/comics OR anime sections (And movies if it's live action-movie based). It's technically both. (MOST Transformers series and media are made in the United States, but there are some that were made in Japan or were a joint effort by Takara-Tomy (JP) and Hasbro.)
There are a couple Magical Girl Lyrical Nanoha items on here, two of which I can think of immediately, and one or two others I can't remember right now.
(I love this show. MAGICAL GIRLS AND MECHS TOGETHER IS BEST SHOW)
Techno-Mage's staff

is a reference to
Raising Heart, the titular character's Device. (That's the movie version pictured, the original show's Raising Heart had little-to-no blue on the staff)
Celestial Soldier's hair pose

is also a direct reference to
Nanoha's hair. It even has the far-side floof that's synonymous with the artist behind Nanoha's style. (Nanoha is in the foreground)page 143
I wanted to submit "
Red's Nobody" and its
Recolors as a reference to Kingdom Hearts, specifically the character Roxas.
Just quick notes about reasoning below!
- Name: "Nobody", just as Shibiya Nobody references Roxas.
- Description: Directly references the Heartless, the enemies in the series.
- Hairpiece: Upswiped blonde spikes
- Sword: "Keychain" attached to the hilt of the weapon. Also the black and white checkered pattern reminiscent of Roxas' outfit.
- Hoodie: A small connection, but it is there, as Roxas' primary outfit has a hoodie.
- Excessive belts, clasps, etc, reminiscent of main KH protagonists including Roxas.
(this was excluded due to the tailored star double nature of the item --Hydro)

Spirit Seeker and Refined Spirit Seeker, it's recolor, are
Blindsprings references.
She wears the flowers a lot, transparent sleeves.Freckles, spirit lamp, plain dress.Headpiece, plain dress.I know there's an illustration page with the transparent over-flower dress, but I can't seem to find it right now. Her job before the problems start is to maintain spirits, and her job becomes to seek out and awaken spirits. There's also a similar line somewhere to the item's description, as you know how lovely and vague supernatural creatures can be. The artist even picked her mostly normal colors for the first item, and the recolor was done in the 'spirits' colors.
I'm a huge fan of the comic, it was pretty much instantly recognizable. She changes outfits a lot, at least a couple times every chapter, but all of her clothing is so beautiful. (this was confirmed by the artist themselves, as they draw BlindSprings! Kadi Fedoruk is the name of the character)
nock On My

is a reference to TWICE's Knock Knock (
music video link)
All-Star Cheer: Lovely Devilshas amu heart items (shugo chara
just wanted to make a reference to an existing item It is for the Faithful Rookie item. If you combine Agape's cut with the item, you can get Yamato/Matt's 02 haircut.

is likely a reference to the
virgin-killing sweaterA separate matter (here because I don't want to double post): I know that Grimm's Anatomy has been suggested as a reference to the show Grey's Anatomy and it was denied because it's a very loose connection, but there is the centuries old famous textbook
Gray's Anatomy that the show is in turn alluding to. The book seems to better fit both the name of the item and the description.

(I'd go with the infamous medical text too --Hydro)