Joint accounts of Circle Twilight Dusk, consisting of Aikura siblings.
- Japanese name: θε ηζΌ (Aikura Mahiru)
- The older brother of the siblings, the circle leader and a writer
- Japanese name: θε η§ε€ (the correct reading is unknown)
- NicoNico nickname: γΌγγ‘γ (Bonchiri)
- The little sister of the siblings and an artist
- Very old solo circle name: MtS
- Circle name: TWILIGHT DUSK
- Also known as: TD or ι»ζε³ζΈι€¨
- Joint nicknames: θεγγ (Aikura-san) or θε€