The Birth of Shingen - S1.E43

Kansuke decides to adopt Ritsu instead of marrying her. Harunobu succeeds in persuading Nagao's chief retainer to take on Takeda's side. Harunobu gaining momentum advances on to northern Shinano, to obliterate Nagao family's influence. Although Kagetora also leads his troops forward, Takeda's troops avoid armed confrontation. The battle between Takeda and Nagao comes to an end by the order of Shogun Yoshiteru Ashikaga. Harunobu accepts the order in exchange for becoming a federal lord of Shinano. He declares that he will enter priesthood and changes his name to Shingen. Kansuke follows and changes his name to Douki.