macaroon mcr2, firefly (honkai: star rail), firefly (spring missive) (honkai: star rail), honkai: star rail, honkai (series), blue sailor collar, blue sky, blush, closed eyes, cloud, cloudy sky, field, flower, flower field, grey hair, grey hairband, hair between eyes, hair intakes, hair ornament, hairband, long hair, open mouth, sailor collar, simple background, sky, smile, sunflower, sunflower field, teeth, twitter username, upper teeth only, white background