Nanami-chan is a tV short anime that premiered in fall 2004.

About the production: there are 12 episodes of about 5 minutes and its current status is "finished".

Its main genres are comedy, with themes such as Animals.

On AniList, Nanami-chan has an average score of 53%, an average score, and appears on 383 users' lists.

The franchise continues in or follows from: Nanami-chan 2.

Michi and her family have just moved into the Happiness House, a huge tree with all sorts of little buildings and houses built on and inside of it. Upon exploring what is to be her new bedroom, Michi finds an odd nut-like object. Before long, a strange creature, Nanami-chan, hatches out of it. The two become fast friends. Together, Michi and Nanami-chan learn all kind of new things, and everyday they meet more eccentric residents of the Happiness House. (Source: Anime News Network)

Official synopsis from AniList.