My friend's younger sister seems innocent, but she's a wicked brat! She verbally abuses and shatters an adult's self-esteem; she's violently raped and forced to ejaculate. (Kuramoto Sumire MASM-009)

I was alone at a friend's house with my polite friend's younger sister, Sumire. We were playing a game, and the loser had to do whatever the winner said. I thought it wouldn't matter since I was the loser, but she actually said she wanted me to be completely naked…