Her husband is away on a business trip. Miu lives with her father-in-law and is tired of the home-only life, 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, the 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...