Board Thread:Off-Topic Discussion/@comment-6433273-20180322113157/@comment-25534565-20180409025246

NebulousViper wrote: @ Ihavenoideawhatsoever - "I understand why you are angry and confused, i was a bit like that when Haiyi was announced. I still don't understand why they went with a water themed vocal when they could go with another element first, but they could also drop more info on her in the summer (with a summer release date, of course) which could justifity for me. It's just an artistic choise i don't really get, unless if you put the whole sea themed trend vocaloid seems/ed to be riding."

Beijing Photek isn't doing the water theme just because it's pretty or because it's a trend. And they're not doing the "unexplored frontiers" like Cyclone thinks they are.

They chose the water theme because of the concept of Metatron's Cube. Xingchen's shape is the star tetrahedron/double tetrahedron and Haiyi's shape is the icosehedron. These shapes have a meaning in Metatron's Cube and represent different things. The star tetrahedron represents the human body, heaven, and earth. The icosehedron represents water. That's why Xingchen's design is very celestial-like and Haiyi's is oceanic. It's very likely that if Beijing Photek decides to make more characters, we may be seeing some representing things such as fire, earth, and air (and yes, Xingchen is earth, but it's more of the celestial body of earth rather than "earth" as in dirt and rocks, etc).

Now I'm not saying it was confirmed that it's Metatron's Cube. It's heavily speculated within the fandom and at this point, since Haiyi's reveal, it's just strongly reinforcing the idea and it's probably just obvious the more you look at it. Ultimately, Beijing Photek never stated why Xingchen or Haiyi look the way they do, but they don't debunk comments who bring up Metatron's Cube. Yes.