Older Brother's Sexy Friend

“Relax your body, Suyeon.” “H‑How do I….” “Just breathe.” Suyeon’s whole body stiffened as she panted lightly. She trembled as she looked at Gi‑hyeok — the man who, in an instant, no longer felt like an older‑brother figure but a real man standing before her. “That’s the only way I can do this properly. Come on.” “I… I can’t.” She wasn’t a child, but clearly there were many things she still needed to learn. “Don’t run away this time. And don’t faint, either.” She had already run away once before. And she was the one who had begged him to teach her in the first place. So now, she needed to take responsibility and face it. He had no intention of going easy on her just because she was h...