Webafter failing to protect ume in life, demon gyutaro would take no chance of losing demon daki. His habit of hiding within her sprang from profound trauma and. Webdaki is indeed valuable to gyutaro in terms of fighting together because of her bda, and the double vision thing. But also because of that, gyutaro has to fight 2 fights at the same time, as he is said to be 'controlling' daki, so daki isn't actually doing shit. Webin it, we are going to tell you all about daki’s and gyutaro’s backstories and will also reveal who turned them into demons. Daki, whose real name was ume, and. Webintroducing gyutaro & daki, the tragic siblings from demon slayer, their tale entwined with hardship, fierce loyalty, and an unbreakable bond that transcends the darkness. Webgyutaro, daki’s older brother, tried his best to shield her from their mother’s wrath, but their lives were a constant struggle. The identity of daki’s father is never.