DB Vol 5 Part 9

His body shook more and more violently, and the wet, slapping sounds filled the air obscenely. Small peaks of pleasure piled up, building into a larger wave, and a numbness akin to spasms began to gather in Won-woo's lower abdomen. Pleasure that exceeded the limit felt like unbearable pain. The sensation surging below his waist was so intense it made his head spin, and his body began to stiffen.

“Hah! Wait… ah! Ngh!”

He felt as if this climax would break his body. As the electric tingles reached all the way to his head, Won-woo twisted his body as if to push Gye Yoon away, letting out a cracked moan.