1girl, animal_ear_fluff, animal_ears, bad_twitter_id, blue_archive, blush, breasts, collared_shirt, fanning_self, greyscale, hair_between_eyes, hair_over_one_eye, halo, kanna_(blue_archive), large_breasts, long_hair, long_sleeves, looking_at_viewer, monochrome, necktie, notched_ear, open_mouth, shirt, simple_background, solo, sweat, tsuno_(tnngur), upper_body