1boy, 1girl, armpits, bikini, black bikini, black choker, blush, breasts, choker, closed mouth, collarbone, edmun, hair ornament, hairclip, hetero, higuchi madoka, idolmaster, idolmaster shiny colors, large breasts, looking at viewer, lying, mole, mole under eye, navel, on back, presenting armpit, red hair, short hair, solo focus, sweat, swimsuit