Zizelda

Zizelda is the ship between Grizelda and Zee. It is way more popular nowadays than True x Zee.

Zizelda
Zizedla is the ship between Zee and Grizelda. This became popular after the movie Winter Wishing.

Rumors
A big boost in popularity also came from rumors that it was canon in a manga, proved to be nonexistent. There is no manga of such.