When I was reincarnated, I became a sacrificial pawn-type character whose role was to give the protagonist an opening to counterattack in the final battle, all in exchange for my life.

I was reincarnated into a game called Alcatris. My position is a punching bag character who constantly picks fights with the protagonist. However, in the end, I die after handing the protagonist the key to victory in the final battle. This is the story of my struggle to avoid that fate at all costs.