1boy 1girl ahoge ai_takurou arm_hug bangs bikini blush border breasts cleavage cup disposable_cup drinking_straw fang greyscale hair_flaps hairband holding holding_cup kantai_collection large_breasts long_hair monochrome navel open_mouth sailor_bikini sailor_collar shiratsuyu_(kancolle) shiratsuyu_kai_ni_(kancolle) skin_fang solo_focus speech_bubble swimsuit translation_request whistle whistle_around_neck