3girls :d apron back chikuma_(kantai_collection) clenched_hand close-up closed_eyes comic doujinshi faceless faceless_female hair_between_eyes hair_ribbon hands_on_own_chest indoors kantai_collection kobamiso_(kobalt) leaning leaning_forward long_hair long_skirt long_sleeves monochrome multiple_girls open_hand open_mouth ribbon skirt smile tone_(kantai_collection) translation_request twintails younger