Rule34.GG

Regular 1boy
balls
bed
black shirt
blush
breath
erection
flaccid
gay
gem (species)
gem on chest
heart
looking at viewer
lying
male
male only
naked
navel
nipples
nude
nude male
open mouth
rhx-se
rule 63
shirt
shirt lift
shirt only
short hair
short hair male
solo
solo male
steven universe
tired eyes
yaoi
yellow body
yellow diamond (steven universe)
yellow eyes