Kimetsu no Yaiba (Japanese: 鬼滅の刃), published in Indonesia under the title Demon Slayer: Kimetsu no Yaiba, is a Japanese manga series written and illustrated by Koyoharu Gotōge. The story revolves around Tanjiro Kamado, a boy who becomes a demon slayer after his family is killed and his younger sister Nezuko is turned into a demon.

source: https://id.m.wikipedia.org/wiki/Demon_Slayer:_Kimetsu_no_Yaiba