The World's Strongest Rearguard: Labyrinth Country's Novice Seeker (Manga) Vol 03

Arihito and his party have accidentally ended up on the third floor of the first labyrinth far ahead of their time. Even with the powerful back up of having "Death Sword" Elitia on his team, the risk of so many low level Seekers travelling together may be too much! Yen Press
(W) Tôwa, Huuka Kazabana (A/Ca) Rikizo