Miscalculation

One day, Geon-tae witnesses Ji-hoon, a senior in the same department, masturbating while calling his name.
For Geon-tae, who has met both men and women, Ji-hoon becomes a subject of interest.
To seduce Ji-hoon, he uses a trick and invites him to a drinking party.
Geon-tae manages to bring a drunk Ji-hoon home.
When I came to, I was almost attacked by Jihoon...!
"Geontae, when did you first touch me... Why are you here now?

Original Webtoon:
Bomtoon, Lezhin

Official Translations:
Japanese