Okaya Mitsuhiko, a 29-year-old editor at a publishing company, witnesses his wife's infidelity. That same day, twin high school girls arrive at his house, offering themselves to him for the night. Mitsuhiko, heartbroken and recently transferred to a new publishing company, finds himself living with Akari, a blonde and outgoing girl, and Nanako, her quieter but equally alluring twin sister. He finds solace and healing in their company. His ex-wife and her lover, his former boss, eventually apologize for their actions, realizing his value at the old company. But Mitsuhiko is content with his new life, his new job, and his charming companions.