1boy, 1girl, 2koma, :<, =3, bangs, blunt_bangs, chair, closed_mouth, comic, desk, greyscale, hair_ribbon, long_hair, military, military_uniform, monochrome, naval_uniform, necktie, office, ribbon, they_had_lots_of_sex_afterwards, tress_ribbon, tsurime, unbuttoned, unbuttoned_shirt, undershirt, uniform, v-shaped_eyebrows, very_long_hair, wall