Why does he start calliing him Hyung-nim here? Is that some sort of Korean honorific? And I have to agree with some people here, I believe he was being a little too edgy after coming out of the gate there, even if he was annoyed at not being able to get the elf Shadow it was kind of cringy.
A Shame he obviously won't stay with the girl
Also, the fact she can enter in life or death situations where there is no control and in a field know to be infested with psychopats but she can't enter in a relationship with Sung without people getting weirded out (or people complaining at even the joke itself) perfectly shows the Hypocrisy some people have towards fictional media