2boys bad_id bad_pixiv_id bara bertolt_hoover bun_(bbb81bun) couple finger_in_another's_mouth from_side grabbing greyscale groping highres large_pectorals male_focus monochrome motion_lines multiple_boys muscular muscular_male off_shoulder official_alternate_costume pectoral_grab pectorals reiner_braun shingeki_no_kyojin short_hair tearing_up translation_request upper_body yaoi