Rule 34 Dev - 1boy arm_guards bare_arms bare_shoulders black_bodysuit black_gloves black_scarf bodysuit breath bulge closed_eyes clothed_masturbation clothing covered_abs cum cum_in_clothes cum_string cum_through_clothes dripping egg_vibrator erection erection_under_clothes fingerless_gloves gloves hand_on_own_knee hatonasi highres katana knees_up male male_focus male_masturbation male_only masturbation muscular ninja ninja_gaiden ninja_mask pectorals ryu_hayabusa scarf sex_toy sheath sheathed shin_guards sitting sleeveless solo solo_male sweat sword thigh_strap vibrator vibrator_in_thigh_strap vibrator_on_penis vibrator_over_clothes weapon|5035769840