Nezuko is initially 12 years old in the manga. As the story unfolds, her age doesn't change significantly in a traditional sense, but her character development is quite remarkable.
There are many novels about Mammon and Wind. The following are some of the more famous novels:
The author of the " Family Tutor " series was Tian Can Tu Dou. This series of novels mainly told the story of the protagonist, Ye Yunfan, who became a teacher, and Mammon and other characters.
The author of the Eye of the Wind series was running around. This series of novels mainly told the story of the protagonist, Lin Xuan, and Mammon and other characters after he became a chef.
3. The author of the " Full Time Expert " series was Butterfly Blue. This series of novels mainly told the story of the protagonist Zhang Jiale, Mammon, and the other characters after he became an eSports player.
4. The author of the " Battle Through the Heavens " series of novels was Tian Can Tu Dou. This series of novels mainly narrated the story of the protagonist Xiao Yan, Ma Meng, and the other characters after he became a strong person on the Dou Qi continent.
5. The author of the series of novels "Sword Comes" was a warlord. This series of novels mainly narrated the story of the protagonist Chen Changsheng, Mammon, and the other characters after he became a swordsman.
The above were some of the more famous novels about Mammon and Wind. Of course, there were many other excellent novels that also involved the elements of Mammon and Wind.
A simple Nezuko and Zenitsu fanfiction could be that they go on a journey together. Along the way, they encounter other demon slayers who are initially skeptical of Nezuko. But Zenitsu stands up for her, explaining that she's different. This shows the depth of their friendship and how Zenitsu has come to trust Nezuko completely.