1230 mochi, shikibe mayu, riddle joker, commentary request, highres, 1girl, adjusting eyewear, aqua eyes, aqua hair, beads, between breasts, black-framed eyewear, blush, breasts, coat, collared shirt, eyelashes, glasses, grin, hair beads, hair between eyes, hair ornament, hand up, heart, lab coat, long hair, long sleeves, looking at viewer, necktie, necktie between breasts, one side up, open clothes, open coat, red necktie, shirt, simple background, smile, smug, solo, speech bubble, spoken heart, upper body, v-shaped eyebrows, white background, white shirt