What Will You Do at Okehazama?

M1, T1: The Warring States Period, when samurai vied for territory. Matsudaira Motoyasu, later known as Tokugawa Ieyasu, enjoys his life as a hostage with Imagawa Yoshimoto and falls in love with Lady Sena. But now Oda Nobunaga threatens this peace. Motoyasu carries out a risky mission but receives shocking news in the middle of battle! What will Motoyasu do!?