Rule 34 Dev - 2boys bara bare_pectorals bed bite_mark biting blush clothes_lift couple eren_yeager fulushouxijixiangcha greyscale large_pectorals looking_at_another male_focus monochrome multiple_boys muscular muscular_male nipple_biting nipple_stimulation on_bed pectorals reiner_braun shingeki_no_kyojin shirt shirt_lift short_hair yaoi|21520473975