Jirobo was trapped by Sagen and Iga Ninjas; Jirob’s on the verge of death, but he's saved by a bizarre demon-entity. The secret Jirobo is guarding is of that kind of magnitude. It all started further back in time, in 1559, when Nagao Kagetora -eventually called Uesugi Kenshin- and Taehime, the Chief Advisor Konoe Sakahisa’s younger sister, had a small exchange of mutual feelings ...
I named him that because 
of his bright, white fur.
Avec son pelage immaculé,
 il ressemblait vraiment à un nuage.
Chamei-o assim por causa de 
seu pelo branco e sedoso.