2girls, ahoge, arm_support, artist_name, bare_arms, bare_legs, bare_shoulders, blush, breasts, brown_hair, cleavage, closed_mouth, clothes_writing, collarbone, competition_swimsuit, dated, fuyutsuki_(kancolle), grey_eyes, grey_hair, hachimaki, hair_ornament, hair_ribbon, hairclip, headband, kantai_collection, large_breasts, long_hair, mamiya_(kancolle), mashiro_yukiya, multiple_girls, one-piece_swimsuit, one_side_up, pool, red_eyes, red_ribbon, ribbon, signature, sitting, smile, swimsuit, white_headband