1girl, between breasts, blue archive, bra, breasts, dated, demon horns, halo, hat, horns, large breasts, long hair, looking at viewer, military, military hat, military uniform, mole, mole on breast, necktie, necktie between breasts, nishiumi yuuta, pink hair, red armband, red necktie, satsuki (blue archive), signature, solo, underwear, uniform, yellow eyes