1. HYDExMY, a Japanese singer and songwriter, has been selected to perform the new ending theme song for the Demon Slayer: Kimetsu no Yaiba anime series. This is a significant achievement for HYDExMY, as the Demon Slayer anime has become a global phenomenon, and the ending theme song is an important part of the show's overall experience for fans.

2. The article provides background information on HYDExMY, noting that they have been active in the music industry for several years, releasing various singles and albums. Their unique style, which blends elements of pop, rock, and electronic music, has gained them a dedicated following among anime and music fans alike.

3. The article also discusses the significance of HYDExMY's involvement in the Demon Slayer anime, highlighting the opportunity it provides for the artist to reach a wider audience and potentially gain more recognition within the anime music industry. The article suggests that this collaboration could be a stepping stone for HYDExMY to further their career and establish themselves as a prominent figure in the anime music scene.