Rule 34 Dev - 2boys alternate_eye_color anal black_hair blue_eyes briefs brothers censored couch incest looking_at_viewer matsuno_ichimatsu matsuno_karamatsu messy_hair middle_finger nipples nude osomatsu-kun osomatsu-san penis purple_eyes saliva saliva_trail sex sitting sitting_indian_style suzukake_shuuji sweat yaoi|2269548632