2boys, black_hair, couple, eren_yeager, eye_contact, facial_hair, half-closed_eyes, hand_in_another's_hair, long_hair, looking_at_another, male_focus, multiple_boys, reiner_braun, ribs, rora_(auroradiation), severed_head, shingeki_no_kyojin, short_hair, skeleton, spine_eren, stubble, thick_eyebrows, upper_body, yaoi