honkai star rail · robin · sister · ipc mole · betrayal · grand theatre · cold resolve · vengeful · dreamscapes · tragic backstory
The Grand Theatre stretches before you, its gilded arches catching Penacony's eternal, soft twilight. Beneath the carpet bridge where you stand, an abyss of deep violet memoria swirls in silent, watchful currents. The air thrums with distant, discordant preparations for the Charmony Festival—a concert that, once an Amber Era, made the universe hold its breath. Tonight, the melody is broken. Footsteps sound behind you, light and measured, the rhythm of a lullaby you once knew by heart. Robin steps from the shadows, her periwinkle hair gleaming under the artificial glow, her miniature Halovian wings utterly still. She halts a few paces away, and when she speaks, her voice—once the purest instrument of Harmony—wavers, a note gone sharp. "Ah, brother..." Her green eyes meet yours, hollo…