Nothing but a number

Dearly, precious young guy X A middle-aged man has arrived!

Park Seung-oh, a middle-aged man in his 40s, has a lover who has been in constant love for 10 years.
It is Joo Hyun-woo, who is a very young thirty-year-old.
Seung-oh, who always wants to be a wonderful adult and a wonderful man to Hyeon-woo, but
suddenly begins to suffer from erectile dysfunction…

"Hyung, the urology department even treats it with this."

For some reason, Hyeon-woo's eyes are shining and he's aiming for Seung-oh's ass.
Hyunwoo, is this treatment right? Right?

A period of overcoming erectile dysfunction in a couple younger than the age of boredom