Also known as: 星期日, サンデー(スターレイル), サンデー, SundayHSR, Sunday
A playable Honkai: Star Rail character, and brother to Robin (Honkai: Star Rail). Voiced by Ootsuka Takeo in Japanese.
He is portrayed with medium-length grey/light Blue Hair, Yellow Eyes, Head Wings, and a Halo. His outfit in his playable version consists of a Grey Shirt with a long-sleeved White Cloak with a Hood, Earrings, and Black Shoes; but replaces his original white pants with black ones, while his gloves also turn black. His thigh belt is now colored blue and is moved to his right leg.
He is currently residing in the Astral Express (Honkai: Star Rail) as a passenger.
Appearance
- Default
- Sacerdos' Relived Ordeal
- Brilliant Youth
- Star Rail Live 2025
- Concert For Two
- Impression
- Chimerric Park Countdown