2boys, bishounen, cheek-to-cheek, decepticon, en_(envelus_tf), glowing, glowing_eyes, hands_on_another's_shoulders, heads_together, hug, looking_at_viewer, machinery, male_focus, mecha, multiple_boys, no_humans, one_eye_closed, red_eyes, robot, science_fiction, simple_background, skywarp, smile, thundercracker, tongue, tongue_out, transformers, yaoi