Yes, this is the very last minutes confirmation.
Metalchicks is confirmed for this year's Fuji Rock Festival, on the third day (Sunday).
The second from the very last at Red Marquee stage.
Here's the time table of the night.
Sunday night (Red Marquee)
23:00-00:00 JENNY LEWIS
01:00-02:15 NIGHTMARES ON WAX SOUND SYSTEM
02:15-03:15 SHIRO the GOODMAN
04:00-05:00 BEZ DJ SET
Bez from Happy Mondays is the very last performer of this year's Fuji Rock.
Just stay awake and celebrate the sun rise together by banging your head.
Peace and may the metal be with you.
Fuji Rock Festival 06 official site: Japanese / English