World Strongest Rearguard Labyrinth Novice Novel Sc Vol 01
(W) Towa (A/CA) Huuka Kazabana
Arihito is reborn in a fantasy world. Strangely, the class he's assigned is the very ambiguously titled Rearguard. Though it isn't flashy, he's gained the ability to do just about everything in battle, from assisting attacking and defending to healing!