2girls, artist_name, black_socks, blush, brown_sweater, cardigan, closed_eyes, couch, curtains, diagonal_stripes, grey_sweater, hair_between_eyes, hug, idolmaster, idolmaster_shiny_colors, incest, indoors, kiss, long_hair, long_sleeves, multiple_girls, necktie, on_couch, osaki_amana, osaki_tenka, plaid, plaid_skirt, pleated_skirt, red_hair, school_uniform, siblings, sisters, sitting, skirt, sleeves_past_wrists, socks, striped, striped_necktie, sweater, swept_bangs, takeshisu, twincest, twins, watermark, white_socks, window, yuri