deras, katsuragi lilja, gakuen idolmaster, idolmaster, absurdres, commentary request, highres, 1girl, bare legs, bikini, blue bikini, blue eyes, blue ribbon, blush, braid, collarbone, feet out of frame, fingernails, front-tie bikini top, front-tie top, grey hair, hair ribbon, half up braid, halterneck, jacket, jacket partially removed, kimi to semi blue (idolmaster), looking at viewer, navel, ribbon, ribbon braid, short hair, side-tie bikini bottom, sitting, smile, solo, stomach, sweat, swimsuit, twitter username, two-sided fabric, two-sided jacket, white jacket