The World's Strongest Rearguard: Labyrinth Country's Novice Seeker, Vol. 3 (light novel‪)‬

Arihito's rearguard skills have safely bumped him and his party up to District Seven faster than any other Seekers in history. Just when their upward trajectory seems unstoppable, new obstacles stand in their way: the district's top-ranked alliance, Beyond Liberty, and its monopoly over the labyrinth's prime territory! The best shot Arihito's group has at progressing any farther involves teaming up with an all-female party-but are two parties better than one? And with the best hunting grounds out of reach, can they earn enough points to make it to the next district?