One of IRyS's Mascots and the counterpart to Bloom (Irys). A Black Cat with a Triangle Mouth and a single blue eye mirroring its owner’s Heterochromia. Its fur is patterned like a tuxedo with accompanying Bowtie. Has a single detached wing on its right side.
Gloom was designed by Hololive English vtuber Tsukumo Sana with input from IRyS and her chat.