REDTAIL 21

Her name is "Watanabe".
She is the woman who will be buddies with MAKO who appears on earth.
She is a member of a special anti-demon tactical unit called "Seibo"(meaning "Cuckoo wasp"). More details to come.

Incidentally, the twists and turns of Watanabe's design.
There's a lot more to it than that, but I'll give you a rough outline in four pictures.