Vocaloid’s Len is a boy who I drew a couple times on commission ages ago. Since I don’t really interact with the Vocaloid community, I never really returned to him or anything, but one of my Subscribers found out he was in the Studio and wanted to see him again. This Ask is the end result of that, with a pretty basic scenario just to get some hardcore yaoi of Len (also Len’s first scene bottoming in the Studio). I didn’t see any particular reason to use a character for the top in this pic, though, hence the anon dick stuffing him.