Miho Tono, a married woman who became pregnant after being repeatedly penetrated by her professional wrestler brother, JUQ-987

Miho lives with her husband and son, and her stepsister Naoya comes to stay for a while. Naoya is a popular professional wrestler, active throughout the country, and a friendly and well-liked figure. However, one day, Miho mistakenly throws away Naoya's wrestling outfit, which he left in the entryway, thinking it's trash. Upon learning this, Naoya becomes enraged and, ignoring Miho's apology, mercilessly attacks her with his imposing physique…