robin (honkai: star rail), sunday (honkai: star rail), honkai: star rail, honkai (series), chinese commentary, commentary request, 1boy, 1girl, :d, bird, black gloves, black pants, blue hair, blue pupils, blue shirt, blush, bright pupils, brother and sister, chibi, chibi only, closed mouth, dot nose, double-parted bangs, dress, full body, gloves, green eyes, green hair, hair between eyes, halo, head wings, long hair, open mouth, outdoors, outline, outstretched arm, pants, purple dress, purple shoes, scarf, shirt, shoes, siblings, smile, sparkle, two-tone dress, wanzhizhiwanzi, white dress, white gloves, white outline, white pupils, white scarf, wings, yellow eyes