The Only Thing That Makes My Dumb Sister Smart Is My XX - The Milk-Lover Chapter
バカな妹を利口にするのは俺の××だけ ミルク大好き編
バカな妹を利口にするのは俺の××だけな件について ミルク大好き！！ 御津井芭華編
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Story
Mitsui Yuichi, an utterly ordinary college student, currently lives alone to attend university. He has no girlfriend... or rather, he's madly in love with his little sister. Thinking 'at this rate I'll commit the forbidden act,' he chose a university far from his family home, with the heart-rending resolve to stay away from her. One day, during summer vacation, his beloved little sister comes to visit Yuichi. The little sister he sees for the first time in two years still has her lovely charm, but she's newly acquired a voluptuous bust, a cinched waist, and a firm behind. The little sister with this supreme visual, 'Hana,' has one flaw: she's incredibly dumb. Walk three steps and she forgets what she just learned; she can barely read kanji; she can't operate a remote with three or more buttons. To raise his little sister 'Hana,' whose grip on even social life is precarious, into a fine adult, Yuichi resolves to walk a thorny path. Sooo amaaaazing!! Milk is coming out of the tip of your thing, Big Brother!? (in dead earnest)
Sample images
![The Summer the Boy Became an Adult Episode 4 [Jairou]](https://pic.duga.jp/unsecure/queenbee/0118/noauth/jacket_240.jpg)
