rika mayuzumi, firefly (honkai: star rail), firefly (spring missive) (honkai: star rail), honkai: star rail, honkai (series), absurdres, commentary request, highres, 1girl, ?, ??, aqua bow, aqua bowtie, aqua hair, arms up, black hairband, blue pupils, bow, bowtie, character name, closed mouth, double v, drawn ears, drawn halo, drawn whiskers, drawn wings, film strip, finger to own chin, gradient hair, grey hair, grey sailor collar, hair between eyes, hairband, half-heart hands, halo, hand up, hands on own cheeks, hands on own face, hands up, heart, long hair, long sleeves, looking at viewer, multicolored hair, multiple views, official alternate costume, one eye closed, open mouth, parted lips, pink background, portrait, purple eyes, sailor collar, school uniform, serafuku, shirt, simple background, smile, squiggle, v, white shirt