2boys, arm_around_neck, blonde_hair, brown_hair, chest_belt, eren_yeager, face_to_pecs, hand_on_another's_chest, male_focus, motion_lines, multiple_boys, pectoral_cleavage, pectorals, reiner_braun, shingeki_no_kyojin, shirt, short_hair, smile, sssida3, sweatdrop, upper_body, yaoi