A year ago, my parents remarried, and I gained a stepsister named Sakura. A year has passed since then, and my long-held feelings have finally been realized—I’ve started dating my childhood friend, Yuna. However, upon learning this, my stepsister Sakura grew jealous and, concerned about my lack of sexual experience, offered to become my practice partner. Sakura kindly says, "You really should be more sexually active," and she deeply understands my feelings. She admitted, "I'm happy you have a girlfriend, but I feel a little lonely." When she asked me, "Were you intimate with your previous stepmother?" I felt embarrassed. I once heard that 40% of men in their 20s have never been on a date—maybe there are just so many passive guys these days. You’re kind of like that too, aren’t you, big brother? You can tell me anything since I’m your sister. I’ll support you. I’ve noticed you keep staring at my breasts. Have you already had sex with Yuna? Not yet? Why not? Haven’t you tried? Or hasn’t she let you? Which is it? Women are always waiting for men to make the first move. If you just say, “Let’s go to a hotel after dinner,” she might actually agree. I’m worried—after all, you haven’t had sex in a long time, right? When you finally sleep with Yuna, who you’ve loved for so long, won’t you end up ejaculating too quickly or losing your erection? If my boyfriend were bad in bed, I’d be really disappointed. I’m sure Yuna would feel the same. Do you want me to show you what to do? [KMPVR changes with 8K]