Karris (仮秒) is a Lieutenant-level Shinigami of Heisekai's Shuuten and one of its many Lieutenant-Generals. She serves under Captain-General Fujimoto Nakamura who, in private, calls her "Little Wing" (リトルウイング, Ritoruuingu). Alongside a number of Captain-Generals, including Fujimoto, Karris participated in the invasion of Kōhai Tochi to uproot the Collective Vices.