1girl bare_shoulders blush book breasts brown_hair detached_sleeves fingerless_gloves full_body gloves hair_ornament holding holding_book isegawa_yasutaka looking_at_viewer medium_breasts midriff navel official_art open_mouth oshiro_project oshiro_project_re pleated_skirt red_eyes sandals sendai_(oshiro_project) short_hair skirt solo sword transparent_background weapon