1girl, arona_(blue_archive), blue_archive, blue_hair, blue_shirt, blue_sky, chair, closed_eyes, closed_mouth, cloud, day, desk, doran_(dorannomai), facing_viewer, hair_over_one_eye, hair_ribbon, halo, hugging_own_legs, indoors, knees_up, long_sleeves, panties, pleated_skirt, puffy_long_sleeves, puffy_sleeves, ribbon, ruins, sailor_collar, school_chair, school_desk, school_uniform, serafuku, shirt, shoes, skirt, sky, solo, underwear, white_footwear, white_panties, white_ribbon, white_sailor_collar, white_skirt