1020128
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original
2010s
2016
2boys
2d
animated_skeleton
blue_blush
blush
digital_media_(artwork)
duo
elemental_creature
elemental_humanoid
eli-sin-g
fire_elemental
footjob
fruit
gay
grillby
grillsans
humanoid
kolesjoie
kotatsu
male
male/male
male_only
monster
monster_boy
orange_(fruit)
orange_body
orange_penis
peeling
penis
sans
sans_(undertale)
skeleton
sweat
undead
undertale
undertale_(series)
yaoi
tags