1girl, black_choker, black_wings, blue_archive, blush, chair, choker, classroom, cpk_prd, desk, feathered_wings, hair_between_eyes, halo, hat, head_wings, indoors, knees_up, koharu_(blue_archive), long_hair, long_sleeves, looking_at_viewer, pink_eyes, pink_hair, pink_skirt, pleated_skirt, school_chair, school_desk, school_hat, school_uniform, serafuku, sidelocks, sitting, skirt, solo, spaghetti_strap, twintails, window, wings