1girl, arona's_sensei_doodle_(blue_archive), backlighting, bags_under_eyes, beret, black_headwear, black_serafuku, black_shirt, black_wings, blue_archive, chibi, chibi_inset, collarbone, crying, crying_with_eyes_open, curtains, dutch_angle, feathered_wings, from_below, halo, hat, head_wings, indoors, kneehighs, koharu_(blue_archive), long_sleeves, loose_socks, medium_hair, miniskirt, neckerchief, off_shoulder, pink_eyes, pink_hair, pink_neckerchief, red_skirt, sailor_collar, school_uniform, sensei_(blue_archive), serafuku, shirt, skirt, sleeves_past_wrists, socks, solo_focus, standing, tearing_up, tears, white_sailor_collar, white_socks, window, wings, xiamu_chiyu