C666 The Interface Construction.

Gensokyo, on a plain far from Fantastic City.

A large area of shadow domain that was spread out like ink quietly appeared on this land. Immediately after, several figures walked out of the shadows.

"Can this place do it? Little Yui?"

Tokisaki Kurumi looked around and said to Yui, who was holding a black box beside her.

Hearing that, Yui also looked around