Six months after my dad remarried, every night... every night... I've been enduring days of frustration because Miki-san, who can't get enough of being passionately embraced by my dad, lets out loud moans that echo throughout the house. One day, I snuck into my parents' bedroom while they were fast asleep and took advantage of Miki-san while my dad was right there. Despite being surprised by the sudden turn of events, Miki-san didn'