1boy, 1girl, d, blue_archive, blush, bottle, breasts, buruma, closed_eyes, comic, day, drinking, flying_sweatdrops, greyscale, gym_uniform, halo, holding, holding_bottle, lanyard, long_hair, medium_breasts, monochrome, o_o, official_alternate_costume, outdoors, ponytail, sensei_(blue_archive), seramikku, shirt, shoes, short_sleeves, smile, standing, tree, water_bottle, yuuka_(blue_archive), yuuka_(track)_(blue_archive)