No one has mentioned the ultimate Japanese "celebrity" (used lightly) lolcow: りゅうちぇる (Ryuchell)
He hits all the points: Genderspecial, muh trans, weird obsession with 90s American children's aesthetic, married (and then divorced) an influencer, knocked her up at 23, named the kid Link (after a Zac Efron character, not the video game character).
Initially, he was going the whole "gender neutral" / "androgynous" route — but this year, he's decided to transform from hostess club fuccboi to Real Japanese Girl (tm)
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Apparently, he recently hung out with アレン (Allen), a talent and lolcow in his own right known for spending $1 mil USD on plastic surgery. Two peas in a pod.
I didn't know if people knew about him, but he's my favorite Japanese trainwreck. I could do a post