I was originally a poor boy, living in a rented house was not very luxurious. I lived in an apartment building, the houses were wall-to-wall so the soundproofing was very bad, every night I heard loud moans. girl, I thought it was just a hallucination, but the echo grew louder and I realized that it was the person next door to me. In the morning I walked out of the house to prepare for class and met my sister with no underwear on. I guessed that my sister was moaning last night, seeing her seductive beauty, so when I heard her moans again, I couldn't sit still, I made an excuse to go to her house with some gifts, she realized her intention. mine should have been….