"The Duet" & "Patrum Filius" (Age Progression and Muscle Growth)

Both of these digital animations by AgeGrowthFictions depict the transformation of a boy into a man. I cannot stress enough that both are NSFW on account of nudity and sexual content. Having said that, I will also say these videos are uniquely evocative (and perhaps provocative) in showing the process of sexual maturation. The age progression in The Duet starts at 4:41; in Patrum Filius it begins at 4:15.

Edit: the videos have moved from Vimeo to Dropbox. The links are:

"The Duet"

"Patrum Filius"