Those are all Ashley's. Ashley has written and drawn published comics, any comic stuff is from her.
Finn built up being nude from September 20 to March 10, even the dildo BJ got a few month build. If you think Finn sucking Ashley or Ashley sucking Finn isn't going to be something teased for a while then you don't seem to get how Finn runs things.
More than 1 person has entered that ass.