Choukyoushi wa Mamono ni Kakomarete Ikiteikimasu. Yuusha Party ni Oiteikareta kedo, Densetsu no Mamono to Deai Saikyou ni Natteta

Ryu is abruptly abandoned by the hero's party led by his childhood friend, who coldly declares that a mere monster trainer has no place among them. Left behind in his rural village, he continues to manage his ranch, yet his days are consumed by feelings of inadequacy and worthlessness. Everything changes when he ventures into the nearby forest and rescues a trapped wolf. This creature is no ordinary beast—it is Fenrir, a legendary demon. The ancient elder of the pack has been stripped of his magical powers and desperately seeks someone capable of restoring him. While no conventional trainer possesses the ability to heal such a profound affliction, Ryu harbors an astonishing secret: his latent magical power far surpasses even that of his childhood friend, the hero. After successfully healing the elder, Ryu begins to master the overwhelming magical energy within him—power so immense it once threatened to consume him entirely. Now revered and adored by the entire Fenrir pack, the discarded trainer rises as an extraordinary force, surrounded by legendary monsters and destined for unmatched greatness.