SEX practice with a new sister who is super convenient to lose memories when drunk many times! I'm very lucky because I don't have any memories of it!

My sister went to Tokyo for a job hunting campaign saying, "Let's stay for a week." Looking at me enjoying a cup of bathing, I said, "What am I doing?" I'm old enough to drink!" What a great thing to say, just drink a little bit and it is muddy! If you think that I have made fun of my virginity, the next moment you misunderstand me as your boyfriend and say Etchi! I killed my sister Ma ○ko with mass ejaculation in seconds! The next day, she had no memory against me. then... it's okay to have sex every day!