Kazuya's aunt Chitose, who is married and living in Kansai, is staying at his apartment to attend the wedding. "Alone with my beautiful and stylish aunt Chi..." Kazuya's crotch swells and his mind is filled with dirty fantasies about Chitose. Then, that night, Chitose comes home drunk after drinking at the wedding. While Kazuya is tenderly taking care of Chitose, he can no longer hold himself back...