海原「ただ、一言いうんだったら、まだ既存作で動かしたことないキャラですよね？」
神主「そうだねぇ」

Unabara: "So, tell me just this, it's a new character who has yet to reappear in the existing works?"
Head Priest (ZUN): "That's right."

From this announcement for the new game