1boy, 3girls, ayumu_(blue_archive), bags_under_eyes, blue_archive, breasts, coat, coat_on_shoulders, desert_eagle, eating, greyscale, gun, halo, handgun, holding_snack, holster, holstered, lanyard, large_breasts, looking_at_viewer, momoka_(blue_archive), monochrome, multiple_girls, necktie, pantyhose, parted_bangs, pointy_ears, problem_solver_sensei_(blue_archive), rin_(blue_archive), sensei_(blue_archive), simple_background, smile, tori_udon, twintails, w, weapon, white_background