At a public beach, a stranger wanted to apply sunscreen to me, and then I lost control

At a public beach, a stranger wanted to apply sunscreen to me, and then I lost control. I was lying there, sunbathing, surrounded by people passing by, many of them watching me. You could feel their eyes, but most of them did not dare to come closer. Except one. He found the courage to walk up to me, offered to oil my body, and that is when everything started