Rule 34 Dev - 1boy 2021 anthro big_bulge big_pecs big_penis black_underwear bulge castbound cellphone claws clothing flexing fur genital_outline genitals hair hi_res humanoid looking_at_viewer male male_only mammal matty_(castbound) multicolored_body multicolored_fur muscles muscular muscular_anthro muscular_male nipples partially_clothed pecs penis red_fur red_hair red_squirrel selfie smartphone solo solo_focus solo_male squirrel tail tongue tongue_out two_tone_body two_tone_fur underwear veiny_muscles|5249468440