I was struggling with premature ejaculation, so I asked my brother's girlfriend, Rima-san, for advice, and it turned into an unbelievable situation...! "You need to practice sex!" she said, pulling out my cock and starting ejaculation control! She checked my sensitivity with her slender fingers! With a charming smile, she told me, "Even if it feels good, you have to hold back from cumming, okay?" and then attacked me with her amazing techniques! Handjobs, blowjobs, pussy... the moment I felt like I was coming, she'd immediately edge me! When I couldn't take it and exploded in a premature cumming, Rima-san, losing her patience, just kept going and forced me to cum repeatedly! The cure for my premature ejaculation escalated to explosive creampies with her big ass pistoning. After that, a series of too-good-to-be-true slutty techniques followed, and I kept cumming until my balls were completely empty!