1girl 2 backlighting 2 smile 2 solo 2 weapon 2 alternate_costume 1 attack_on_titan 1 bag 1 belt 1 blue_eyes 1 boots 1 cosplay 1 crossover 1 hair_ribbon 1 katana 1 knee_boots 1 konpaku_youmu 1 leg_ribbon 1 long_sleeves 1 looking_at_viewer 1 open_clothes 1 open_jacket 1 pants 1 pants_under_skirt 1 ribbon 1