"blindly browsing google for inspirations" (proceeds to trace artwork)
yikes, not a good look lol.
There are enough changes that he's technically legally protected, and I've seen a lot worse with a lot fewer problems. Like Greg Land.
The people going after him are clearly clout chasing, especially since they're accusing the game of sexualizing minors.
The game only has two characters. Who are not minors.
It's pretty close in design yeah and he should make more changes, but he's also covered under parody law due to the nature of the game. Especially since the game also includes that Kiryu thing.
Honestly if it were me I'd double down and add in *all* of those people's OCs into the game. With reasonable alterations to be legally distinct parodies, of course.
Or rather *I* wouldn't since I live in Japan, which doesn't have very good parody protection laws and some really strong libel laws. But if I still lived in the U.S. I TOTALLY would.