1boy 2girls ako_(blue_archive) arona's_sensei_doodle_(blue_archive) black_shirt blue_archive blue_buruma blue_jacket blush bottle buruma clothes_around_waist cowboy_shot dutch_angle halo highres holding holding_bottle hoshino_ouka id_card jacket jacket_around_waist lanyard long_hair looking_at_viewer multiple_girls official_alternate_costume ponytail purple_eyes purple_hair sensei_(blue_archive) shirt short_sleeves simple_background solo_focus star_(symbol) sticker_on_face sweat track_jacket water_bottle white_background yuuka_(blue_archive) yuuka_(gym_uniform)_(blue_archive)