It's now time to tackle the next Great Labyrinth, located deep within the Haltina Sea of Trees. Immediately upon entering, it is made clear to Hajime that this is not going to be a straightforward hack-and-slash adventure.

Another trap activates, reversing the emotions each party member holds against the others. Hajime and Yue hate each other, while Kouki has nothing but respect towards Hajime. Moreover, they all fall in love with the enemy.