1boy, 1girl, arona's_sensei_doodle_(blue_archive), blue_archive, blush, comic, exercise, greyscale, halo, implied_pantyshot, jacket, lying, monochrome, necktie, on_stomach, open_clothes, open_jacket, parted_bangs, pleated_skirt, po_(podi_mahattaya), sensei_(blue_archive), sit-up, skirt, sweat, two_side_up, yuuka_(blue_archive)