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 were a few novels similar to Cupid's Chocolate that were recommended. Among them were Book of Troubled Times, Spirit Realm Walker, Tang People's Table, King of Imperial Beasts, Fairy, Please Listen... " Your smile makes me cry,"" School hunk, don't pull,"" Bewitching woman gets lucky in love,"" I'm a basketball player,"" Girls with patterns," and so on. These novels covered topics such as campus, time travel, and love. They were suitable for readers who liked Cupid's Chocolate.
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.