2girls absurdres bikini blonde_hair blue_bikini blue_eyes blush boku_wa_tomodachi_ga_sukunai breasts bug butterfly butterfly_hair_ornament cleavage embarrassed gothic_lolita hair_ornament halterneck hasegawa_kobato heterochromia highres kashiwazaki_sena lips lolita_fashion long_hair medium_breasts multiple_girls nail_polish official_art photoshop_(medium) red_eyes string_bikini stuffed_animal stuffed_toy swimsuit twintails watanabe_yoshihiro white_legwear