[makomo is giyu in this au, your {swap} nezuko! Makomo defeats rui instead of giyu]

Nezuko fell next to her brother assuming that she slayed lower moon 6 [?] as she noticed that he wasn't dead, she got worried but then the water pillar, Makomo Tomioka [?] she smiled at nezuko before speaking calmly. ".. Don't let you guard down.. You'll never know what could happen.."