1girl ahoge alternate_costume arm_behind_head armpits arms_up bare_arms bare_shoulders bikini blush breasts brown_eyes brown_hair commentary_request cowboy_shot cropped_legs hair_ornament hair_ribbon hairclip heart_o-ring highres kantai_collection large_breasts long_hair looking_at_viewer mamiya_(kancolle) navel ribbon shiny_clothes simple_background smile solo swimsuit thighs tongue tongue_out two-tone_background yuuji_(and)