On the day my parents were away, I had sex with my girlfriend at home, Chika Eiro

Since we don't have money for hotels, we always have sex in private rooms at manga cafes, but today my parents won't be home until late, so we're having sex at home! I'm so excited about sex that I usually have in the living room or bathroom with my family, and no matter how many times I ejaculate, my erection won't subside! !