Rule 34 Dev - 00s 4girls blush couple crossover girl_friends_(manga) glasses greyscale heart heart_hands heart_hands_duo kazama_ushio kumakura_mariko lineart long_hair monochrome multiple_girls murasame_sumika oohashi_akiko sasameki_koto school_uniform serafuku shimura_takako short_hair simple_background smile v white_background yuri|4552479477