My little sister's soft-shelled turtle blowjob unexpectedly gives me a fully erection! I was surprised that this serious little sister who has been studying since childhood and has excellent grades and is actually an unusual high school girl who loves sex! She started to get a strange atmosphere when talking about sex and wants to have sex! Of course, I didn't want to have sex, and she was coldly adorable, saying, "You'll never get an erection!", but this phrase wasn't good! My sister, who was so stubborn, said, "I'll have sex when I get erect,' and took off my pants and gave me a blowjob!! I got an erection and said, "I'll have sex."