Her husband is away on a business trip. Miu is tired of living alone at home with her father-in-law, so she starts working as an office lady. One day, she witnesses her father-in-law masturbating while using her pantyhose as a subject. Enraged, her father-in-law bites Miu in her pantyhose and devours her like a madman. Miu resists, but gradually she begins to feel pleasure watching her father-in-law ejaculate.
