[Demon Slayer: Kimetsu No Yaiba] It's so Hard for Me to Become Hashira's Brother

It's miserable enough to die, but to travel through time and become a ghost, even if you turn into a ghost, why is it related to the Demon Slayer Corps, Kazuzu? I'm a teenager and I'm so tired. I don't know if I can survive in the Demon Slayer Corps. Can I take that flower farther away? Wait, my brother seems to have other feelings for me. What should I do? Wait online. Concept: The beautiful family relationship between brother and brother