Past personalities:

Momoi - The scenario writer for the Game Development Dept. at Millennium. Both she and her younger twin sister were make games. She were cheerful one.

Midori - The illustrator for The Game Development Dept. at Millennium. She were shy one.

Both liked Sensei.

Present personality:

Momori - The cruel assault experiment after they cannot anymore work, Millennium mend twins together... She like games and Sensei despite forgetting about yourself and have two voice in mind.