Kazuya moves in with his aunt Ayumi, whom he's admired since childhood, to focus on his job hunt. However, captivated by Ayumi's beauty and sensuality, he loses focus entirely. He secretly spies on her in the bathroom and while she's changing, fueling his fantasies day after day. One night, after seeing Ayumi in a yukata, Kazuya can't hold back any longer and gives in to his desires.