Rule 34 Dev - 1girl 7th_dragon 7th_dragon_(series) 7th_dragon_2020 bad_id bad_pixiv_id black_hair brown_eyes female_focus katana long_hair phantania red_background samurai_(7th_dragon) samurai_(7th_dragon_2020) school_uniform sega serafuku skirt solo sword tsubaki_kujo weapon|4498820703