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Gachi-Natsu/ガチムチでドスケベな家庭教師のお兄さんと過ごす夏

It was a sweltering hot day when I met him. During summer vacation, a young man who had failed his university entrance exam received a tutor to help him with his studies. He started living together with a handsome, muscular man, but! He is a cock-loving, energetic, and dirty tutor!