1girl, arona's_sensei_doodle_(blue_archive), bent_over, black_shirt, blue_archive, blue_buruma, blush, breasts, buruma, cleavage, closed_eyes, collarbone, downblouse, gym_shirt, gym_uniform, halo, horn/wood, long_hair, official_alternate_costume, ponytail, purple_hair, sensei_(blue_archive), shirt, short_sleeves, solo, star_sticker, steam, sticker, sticker_on_face, sweat, thighs, yuuka_(blue_archive), yuuka_(track)_(blue_archive)