Responses
I think it’s implying that he already had sex before mujin
It thought he was talking about prostate exam, since he’s a doctor, you know? USBHSBSBSBSB
He had someone he loved (we see only fleeting images of him) and he said "yes" to Did anyone play with you here before Likely his past lover.
Is it cho's firs time (he fingered himself so its not first time someone touching his but)or did he slept with anyone before