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One day, Kirino's non-otaku, "public" friends—Aragaki Ayase and Kurusu Nanako—come over to visit. Kyousuke is harshly told by Kirino to not let her friends see him.
Episodes
1My Little Sister Can't Be My Love 2My Little Sister Can't Bring Me to an IRL Meet 3My Little Sister Can't Be This Cute 4My Little Sister Can't Be Going to Summerket 5My Little Sister's Best Friend Can't Be This XX 6My Childhood Friend Can't Be This Cute 7My Little Sister Can't Be a Novelist 8My Little Sister Can't Be Animated 9My Little Sister Can't Be This Absorbed Into Eroge 10My Little Sister Can't Be Cosplaying Like This 11My Little Sister Can't Be This Maid 12My Little Sister's Advice Can't End Here (GOOD END)