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original
1boy
2d
anthro
asgore_dreemurr
bigger_male
color
female
gaster
genderswap_(mtf)
kneeling_male
larger_anthro
larger_male
male
muscular
muscular_male
penis
penis_between_legs
penis_between_thighs
rule_63
salt-ankles_(artist)
size_difference
smaller_female
tagme
uncensored
undertale
undertale_(series)
white_background
white_body
tags