1girl, arm_behind_head, blouse, bottle, breasts, hakama, holding, holding_bottle, japanese_clothes, jun'you_(kancolle), kantai_collection, large_breasts, long_hair, long_sleeves, looking_at_viewer, lying, magatama, on_back, purple_eyes, purple_hair, red_hakama, shirt, solo, spiked_hair, tatami, tsukinami_kousuke, very_long_hair