Asakura Yoshikage , leading a force to relieve and reinforce the Azai garrison , came under attack by Nobunaga 's army .
In that year , 1573 , Nobunaga besieged Odani castle , which was held by Azai Nagamasa .
Asakura Yoshikage , leading a force to relieve and reinforce the Azai Nagamasa garrison , came under attack by Nobunaga 's army .
In that year , 1573 , Nobunaga besieged Odani castle , which was held by Azai Nagamasa .