Beat Ranmaru's request 1 on the first floor which unlocks Mitsuhide's request and Keji's request. Beat Mitsuhide's Request 1 on the 11th floor which unlocks his second request on the 21st floor. Beat Mitsude's request 2 which unlocks Ranmaru's request 2 on the 31st floor. Beat Ranmaru's 2nd request to unlock him in free mode.