sunday (honkai: star rail), welt yang, honkai: star rail, honkai (series), artist request, commission, highres, second-party source, 2boys, :o, black-framed eyewear, black gloves, black shoes, blue coat, book, brown hair, brown pants, chibi, closed eyes, closed mouth, coat, couch, crossed legs, cup, curtains, cushion, earrings, eyes visible through hair, flower, full body, glasses, gloves, grey coat, grey hair, hair between eyes, hair intakes, hair over shoulder, halo, halo behind head, hanging light, head wings, holding, holding book, indoors, jewelry, lamp, long sleeves, looking at another, male focus, multicolored coat, multicolored hair, multiple boys, open mouth, orange eyes, outline, pants, pink flower, plant, potted plant, rug, shoes, short hair, sidelocks, sitting, sleeping, smile, streaked hair, table, teacup, teapot, two-tone coat, u u, vase, white coat, white outline, white streaks, window, wings, zzz