After perishing in a tragic accident, Seiji discovers the extraordinary ability known as 'Riot Grasper' and is reborn in a realm of swords and sorcery. Armed with this power to absorb the beneficial skills of foes, he embarks on a quest to safeguard his cherished treasures. Witness Seiji's evolution as he strives to prevail through the art of 'borrowed' combat in a tale of resilience and acquisition.