Rule 34 Dev - 2boys abs ahe_gao arm_around_shoulders arms_around_neck balls ballsack ban_(nanatsu_no_taizai) bara big_penis blue_hair chin_pubes dangling_testicles dark_nipples erection facial facial_hair feet_out_of_frame gay goatee handjob human low_hanging_balls male male_nipples male_only masturbation muscles muscular_arms muscular_male muscular_thighs na_insoo nanatsu_no_taizai niko_(gyee) no_navel nude_male open_mouth pecs penis red_eyes rennik scrotum serratus shaved_crotch smooth_skinned_male testicles v-line v-taper veiny_penis white_hair yaoi|5639848272