Yuki fights with Souma in hopes of bringing him back to his senses. However, sometimes it is hard to understand the true feelings of your siblings. Just when they think they've cornered Souma, he summons and attacks with Tsubasa.

With help of their allies, Yuki and Takuya manage to enter Lost. As soon as they enter, they fall in a whirlpool of their own memories. The voices of their friends and their bond to each other are the only things that can keep them moving forward.