[Naruto] [Demon Slayer] fanfic. Two years after destroying Onimbutsuji Muzan, Mizuhashi Tomioka Giyu died. He thought he could reunite with his family and comrades in the underworld, but he didn't expect that when he opened his eyes, he became a new man in the ninja world.Son, the twin brother of Sasuke Uchiha. Giyuu grew up slowly without enemies and goals. He had no intention of becoming a ninja and did not like fighting. He decided to take care of Itachi and Sasuke as his responsibility in this life, and lived his life peacefully.Until his fifth birthday, a voice came into his mind and changed everything [1 hour of close contact with Uchiha Itachi, resolution of Flame Breath 0.02.] [After Flame Breath reaches normal level, Flame can be resurrected.Hashira Purgatory Anjuro.] So, in order to resurrect his former comrades, Giyuu forced himself to embark on the road of making friends. In short, this is the story of the sacrificed Hashira who started a new life after being resurrected in the ninja world.[Note 1] This book is about practicing daily prose and having fun writing. [Note 2] Single female protagonist Butterfly Ninja. [Note 3] Immortal Saneya Kawakawa and Butterfly Kanae are important supporting characters in the author's previous book, so they will not be resurrected.[Note 4] The author sets that the breathing method can directly mobilize natural energy in the ninja world, that is, senjutsu, so it is very powerful. Readers who cannot accept the above points are advised not to read.