"Demon Slayer: Kimetsu No Yaiba" About Whether Dad Should Go to the Battlefield

What should I do if I suddenly travel through time when I am about to fight the boss? I am very anxious to wait online. LdYue Jian Yunying looked at the young man in front of him and fell into deep thought. Why do you have blood bars on your heads? I don't care, I still want it! Intention: No matter where you are, never lose hope in life and be positive