Pleasurable Depths of the Sea (BJYX)

XiaoZhan always loved the sea. That's why he was visiting this isolated beach at the edge of the country and in the middle of the night. The sea waves were just as harsh as the wind. He was there to relax until he found a silhouette lying on the sand. When he came closer, he discovered that not only was it an injured being, but it wasn't human at all.

It was a merman with blue hair.

Or, XIAOZHAN GETS FUCKED BY BLUE-HAIRED MERMAN YIBO