海羽-我的妹妹和她的朋友太色情了，我的胯部很危险（Umi-Imouto to Sono Yuujin ga Ero Sugite Ore no Kokan ga Yabai）

Umi,long hair,black hair,sidelocks,blunt bangs,purple eyes,school uniform,yellow cardigan,red necktie,white shirt,collared shirt,long sleeves,medium breasts,miniskirt,pleated skirt,black skirt,zettai ryouiki,black thighhighs,loafers