Wit's manga / #muscles(2)

Muscle obsessed photographer only wants to take pictures of a track and field runner, but he's shy because of his inverted nipples. Thus this naturally leads for the seme to say, I will train your nipples to come out so you can not be shy about them

A guy obsessed with muscles finds out that his childhood friend went through a spectacular growth spurt and so he wants to document his muscle growth through pictures and appreciation. He jerks off the muscular guy once but thats it