Water pours into the basements of Edo Castle. Having managed to escape, Kyo and Yukimura decide to settle their scores, playing with their lives as with their swords... But Miguera ends up intervening. He seeks to restore the world to its original aspect, and proposes an alliance between the different carriers of Muramasa. But Kyo only wants one thing: to kill Kyoshiro and take back the title of Absolute Warrior. Hearing this, Yukimura finally decides to reveal the place where Kyo's body is locked up. As they prepare to leave, Yuya meets a young blind man, a certain Akira...