89 is also bassist in the death metal band Holokastrial since 2019. From 2018 to 2022, the group was called 毒蠱 (Dugu). 89 is the singer of the group since 2022. Her voice is on the album “Bizarre Tales from the Past and the Future” released in 2023. 89 no longer sings in the band since 2024. A man replaced him.