Sumida

Sumida is a quest-exclusive NPC in Genshin Impact, first appearing in the World Quest Series "Through the Mists." After completing this quest series, she travels with Kama in Liyue Harbor and Mondstadt. Sumida is not a playable character, and her storyline primarily revolves around the "Through the Mists" quest, involving the search for lost altars and the clearing of mist. She has a close relationship with Kama, and the two journey together across Teyvat after the quest is over. Sumida's personality and background information are not extensively detailed in the game; she primarily serves as a character to advance the quest's plot. In the "Through the Mists" series, she plays a key role in guiding players through Tsurumi Island, revealing the truth hidden beneath the fog.