muririn, shikibe mayu, riddle joker, highres, official art, third-party source, translation request, 1girl, album cover, aqua background, aqua eyes, aqua hair, arm under breasts, beads, between breasts, breasts, brown vest, card, closed mouth, coat, collared shirt, cover, crossed bangs, eyelashes, floating hair, hair beads, hair between eyes, hair ornament, hand up, heart, holding, holding card, lab coat, large breasts, long hair, looking at viewer, necktie, necktie between breasts, one side up, queen (playing card), queen of diamonds, red necktie, shirt, simple background, smile, solo, split mouth, upper body, upturned eyes, vest, white coat, white shirt