Rule 34 Dev - 1boy 1boy1girl 1girls abs attack_on_titan black_hair blush breasts clothing erection female heart huge_cock implied_sex invertoalbedo large_penis levi levi_ackerman male male_pubic_hair measuring measuring_penis measuring_tape mikasa_ackerman muscle muscular_male nipples nude open_mouth pectorals penis pubic_hair ruler shingeki_no_kyojin short_hair sitting straight sweat teeth testicles text veins veiny_penis|12201428896