In My Dream, Only You Come Out summary:

“In my wet dreams, only you always appear.”Tae Hwan ignores Yeong Hae bombshell confession, whom he had looked upon like his own nephew since he was young, thinking it was a joke.One day, when Yeong Hae, who was upset by Tae Hwan's reaction, continued to act harshly, "I want you to pick me with something bigger and thicker."After visiting a urologist, Tae Hwan discovers a new taste, and their relationship takes a new turn...?!