Demon Slayer: Kimetsu No Yaiba Starts with Rescuing Chiu Rabbit

Ranbing accidentally traveled to the world of Demon Slayer, and while suffering from hunger and cold, he obtained the system due to the kindness of Tanjiro. In order to repay his kindness, he will definitely kill all the evil ghosts in the world. According to the main line of the mission, he got acquainted with Qiang Tu and Zhenlong, and together they became Linlong's disciples. Ran Bing looked at the ghost-killing sword in his hand. You want me, a ghost hunter who can only breathe water, to kill Wu Mei? Main mission: Change the ending of the ghost hunter in the original plot, and reward the Ice Breath Ten Type Absolute Zero! The rabbit is no longer killed by hand ghosts, Giyuu is no longer cold, Tanjiro's family is no longer massacred by ghosts, the eldest brother is not dead... It's not the system. Although I understand everything you said, but... How can I support you if you just give me a breathing type? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.