XR Artist Project developed by Kizuna Ai Inc. and VTuber Kizuna AI in collaboration with Isaribi Inc. announced initially during her last pre-indefinite hiatus hello, world concert, consisting of two connected projects - a TV anime entitled Kizuna no Allele, whose story follows a group of five girls and their journey to becoming virtual artists, and a Virtual YouTuber-style channel entitled Alleles Project, where the groups from the anime do collective streams. The project ended on March 8th, 2024, with no plans on further content from April onward.