Masakiyo Seiki

Masakiyo Seiki (世鬼政清, Seiki Masakiyo) is a fictional character in Chikai no Sanshi. He appeared during Motonari's  visit to the Kikkawa family and come to his aid during a bandit attack, led by Heizō. After joining Motonari's forces, he became a leader of the ninja unit in the service of Mōri. He followed his master to his war against Ōuchi Yoshinaga in 1557, during which he had found an orphaned girl. He raised a girl as his own child with the help of Kuchiba. Girl got trained as kunoichi and was named "Hotaru". During the reign of Terumoto, Seiki became an esteemed and respected veteran of the Mōri army.