sune (mugendai), yuuka (blue archive), blue archive, comiket 107, commentary request, 1girl, areola slip, bed sheet, black gloves, black halo, black skirt, blue eyes, blue necktie, blush, breasts, clothes pull, coat, collared shirt, gloves, hair ornament, halo, large breasts, long hair, long sleeves, looking at viewer, lying, mechanical halo, navel, necktie, on back, open mouth, pleated skirt, purple hair, shirt, skirt, skirt pull, solo, two side up, white coat, white shirt