If you want to look further into this topic, please let me know:

There is also the possibility that "Aunt Hina" is not from a known anime at all. It could be an created by an artist. Many creators on platforms like DeviantArt, Pixiv, and Twitter design their own characters and settings. An "Aunt Hina" could be a key figure in a completely original comic or story.

ToonCubuStop appears to be a Japanese media franchise that combines elements of anime, manga, and other forms of Japanese pop culture. The franchise seems to be focused on creating a unique and immersive experience for fans, with a blend of action, adventure, comedy, and drama.

: The appeal of Tooncubustop and Aunt Hina likely stems from the sense of community and engagement they foster. Fans can share, discuss, and create their own content around these themes, leading to a rich ecosystem of user-generated content.