Demon Slayer: Muzan Turns Around and Runs Away When He Sees Me!

I traveled to the world of demon slayers and was chased by evil spirits as soon as I woke up! ! Fortunately, I still have a system. System: Trigger side mission: Survive the evil ghost for 3 minutes! Reward for completing the mission: Obtain 0.01% Of Ji Guoyuan's physical fitness! I barely survived three minutes, and with the blessing of Yuanyi's 0.01% Physical strength, I broke the evil ghost's neck with my backhand... Let me go, is Yuanyi so strong? I can defeat evil ghosts with 0.01%, So how strong should I be if I get 100% of Yuanyi's physical fitness? ... When the time came for the decisive battle in Mugen City, Boss Zui walked into Ubuyashiki's house calmly and saw a man sitting next to Ubuyashiki Yazai, the protagonist of the Demon Slayer Corps. The man is equipped with Yuanyi's He Dao, and there are markings on his forehead, exuding a terrifying pressure. This kind of pressure has only been experienced by Jiguo Yuanyi 400 years ago. Wuhan was horrified! Turn around and run away...