Lol, don't know about other readers but in my case it's because I can relate so much. To any of these situations:
1) Having to do other people's job.
2) Not getting paid enough for doing other people's job.
3) Being made to feel like the odd one out in a sea of "happy", self-absorved couples...
Not to forget that they should be professional instead, but they are embaressing, making out in front of her, obviously fucking in the toilet, sex talk, having a dildo during the presentation asking where she bought the dildo when it's not even her's etc. it's inappropriate and clearly unpleasant to her. I am sure they are all healthy men and can hold it till they get home or at least their work is done. They aren't teens anymore but highly professional adults.
Not to forget that they should be professional but instead they are embaressing, making out in front of her, obviously fucking in the toilet, sex talk, having a dildo during the presentation asking where she bought the dildo when it's not even her's etc. it's inappropriate and clearly unpleasant to her. I am sure they are all healthy men and can hold it till they get home or at least their work is done. They aren't teens anymore but highly professional adults.
Basically it's second-hand frustration. It's like second-hand embarrassment but with frustration instead.
It's just for fun gays... why'd so mad about what happen in the manhwa. Take it easy. Lolol