Masaru is a playful guy, Rino is cheerful, and Yukine is quiet... We were always together back then. We were four childhood friends, boys and girls, who went to the same school. We were starting to become sexually awakened and our relationship became complicated. At that time, Rino said we should all watch an adult video that her brother had... "I'm surprised, those two have such great boobs and bodies," "Your dick is so hard, are you excited?" Since that summer when we watched the adult video out of curiosity, the four of us have been fucking like animals.