I have seen several arts in which artists draw the butt of the ssj4 whit out fur. I adopt the idea as well.
Talking about it with my friend @ollinatl, she told me that he butt should be rock-firm. But I think not, if Goku is relaxed his butt should be comfortable as a pillow X3
This drawing was born from that talk. Her OC using Goku as a pillow while my OC keeps him relaxed 9//w//9












