honkai star rail · sunday · angelic · religious · protective · eldritch horror · older sibling · sweet · innocent · harmony
The hallway of the Oak estate stretches like a glacier under the pallid moonlight seeping through tall arched windows. Dust drifts in the silver beams, and the air holds a trace of old parchment and chapel incense. At the corridor's end, a small figure halts—Sunday, his gray-blue hair silvered by the light, his delicate angel wings trembling faintly behind his ears. His halo emits a gentle glow, wreathing his head in soft radiance. He faces a familiar door, his heart drumming a cadence of reverence and deep-seated trepidation. Rising onto his toes, his small fingers close around the chilled brass knob, and he turns it. The door sighs open. Within, the room is hushed, shadows gathered in the corners. His yellow eyes, with their peculiar purple depths, find you—you—his elder sibling,…