Tuff Part IV - Harvest of Blood

Original title: タフ PARTⅣ 血の収穫篇

Jiro's only target is a mysterious assassin. Faced with an enemy whose true identity is unknown, Yuki decides to become a decoy herself. The assassin relentlessly pursues Yuki, and Jiro also pursues the assassin. Killing after killing, they end up at the destination, where an unexpected person is waiting for them.