Setsu Iki

Setsu Iki was a powerful wu jen of Fochu Peninsula in Wa.

History
Setsu Iki was a powerful wu jen, last member of the Order of the Mouse, who lived as farmer on a small estate near the village of Kawasa. He had in custody the fabled Book of Hsi, that explained as attain immortality. He used it to become immortal.

In 1358 DR the evil Za-Jikku discovered about the book and kidnapped him.

However Setsu had previously hidden the book, one page to his former apprentice Tamura Umakai in the village of Ikizawa and the main book hidden in Qui demiplane.

Also during the kidnapping action Setsu managed to exchange his mind with the one of a mouse, using his Mouse powers.

Later the Setsu-mouse met Osari Minhiro and a foreign adventuring party, deciding to join the forces with them to defeat Za-Jikku. He also sensed inside some adventurers the souls of fellows Mouses

Together they get back the Setsu's body, that Za-Jikku toughing it of no use had gave as gift to officer Misikin in Qui.