Anyone know where these images are from?

[Re90man]

So I've come across these accounts online and I'm wondering if anyone could identify where these images are from. I know it may seem like a lot, so any help is accepted. Thanks.
https://instagram.com/p/BRPBoOLAbG8/
https://instagram.com/p/BRRjWA2gYFb/
https://instagram.com/p/BRJjwo8AIuh/
https://instagram.com/p/BRKYkf2Aa8N/
https://instagram.com/p/BRPKQa1gF2R/
https://instagram.com/p/BRO0vBQgop4/
There's also an image, but I can't attach that one. I'll work on that later. Thanks again

Update: Here's the image


Thanks again

 

[Alchemist of Atlas]

Third one from top to bottom is Yuuki Seto's Accelerando.

 

[El Psy Kongroo]

4th https://nhentai.net/g/116230/