There's no way my little sister has been brainwashed by that guy!!

洗脳教育室~高★桐乃編~俺の妹があんな奴に洗脳されるはずがない | Sennou Kyouikushitsu ~Kousaka Kirino Hen~ Ore no Imouto ga Annayatsu ni Sennou Sareru Hazu ga Nai