Tanjiro Kamado
Tanjiro Kamado is the main character in Demon Slayer: Kimetsu no Yaiba. Tanjiro is a teenager who goes on a quest to become a Demon Slayer to help his sister, Nezuko, who was turned into a demon after his family was killed by Muzan Kibutsuji. Tanjiro Learns water breathing from Sakonji Urokodaki after being sent to mount Sagiri by GIYU TOMIOKA. He then switchs to mostly sun breathing when he remembers his family dance after being almost killed by lower moon rui. In the next arc AKA the Mugen Train Ark. He meets Kyojuro Rengoku who he takes a liking to along with his friends Inosuke hashibira and zenitsu agatsuma. Rengoku and the young teenagers manage to kill lower moon 1. When they finally think they are safe Rengoku passes away due to being made into a donut by upper moon 3 Akaza.