The biggest highlight of this work is a fair-skinned, slender girl with long black hair and a pure appearance! This 149cm minimum girl is actually an incredible perverted masochist slut! I hit the jackpot on a matching app! "Umi-chan" is a girl I hooked up with while testing a rumored matching app. After having a meal at a family restaurant, I took her to a fuck room... and surprisingly, as soon as she entered, Umi-chan started groping my crotch! In reality, she loves erotic things so much that she masturbates every day, with an intense desire to feel good and a strong interest in sex! She was a super repressed, perverted masochist girl with a plain appearance! She licked my cock all over and smiled, saying, "It's bigger than my fuck buddy's...!" She gave me a wet blowjob while playing with her own clit! Then, she used her cute fingers to open her cute pussy and welcomed my cock inside! Her youthful appearance is criminally exciting! With her small breasts and voluptuous ass, she dances her body and trembles repeatedly from intense pleasure. In the second half, she wears a sailor uniform cosplay and engages in hard play using extreme items like blindfolds, handcuffs, and a mouth gag for face-fucking! Amidst the criminally exciting visuals, she attacks with intense cowgirl riding, relentlessly toy with the man. This is an investigator's experience record depicting the real state of matching apps and the intense sexual love with a rare "jackpot girl," challenging the world's erotica and mysteries. Our challenge to the world's erotica and mysteries continues.