Many unpleasant IRL distractions later...
Way too late I realized their proportions are off. I made way too many layers which made this more complicated than it needed to be.
Krita

#nsfw #rule34 #gay #objectum #animateinanimate #incest #twincest #siblingincest #male #maleonly #train #locomotive #fanart #digitalart #thomasandfriends #ttte #thomasallgrownup #donaldanddouglas #donaldxdouglas #sex #notfurry