A NaNo Sibling is a NaNoer whom another NaNoer feels deep platonic love for and subsequently claims as their kin. Some NaNoers prefer to create "advertisments" for NaNo Siblings, in which they become siblings with whoever responds to the forum post.

Ad blocker interference detected!

Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.