Zirius is part of 23 clubs
- ♥ Studio Ghibli ♥
- ef - a tale of memories
- Eureka SeveN
- hardcore violence and gore
- Hatsune Miku - the Goddess ~FanClub~
- I Hate Fillers Club
- Insane Anime Club
- Lelouch lives! CCxLelouch Club
- Mindfuck-Club
- Monster
- Negima
- Nico Robin
- Okay, I watched the Endless Eight, now where do I claim my fucking prize?
- Section 9
- Serial Experiments Lain
- Spice and Wolf
- Suzumiya Haruhi no Yūutsu
- That Unexpected Yuri Kiss
- The Classics Club
- The Haruhiists
- The Hinamizawa Syndrome Ward!
- We wan't bad guys to win!
- ~Tsubasa Chronicle and xxxHOLIC Club~