I thought it was in reference to how long he was sitting there moping. Like he was sitting there so still that a family of birds nestled in his hair thinking it was a tree or smth.
reading this for me is an emotional rollercoaster.... one minute Im loving it then next thing you know, I'm getting mad and wanna throw my phone across the room (=・ω・=) overall it was great and I liked how the characters slowly developed but f Eungi (╯°Д °)╯╧╧
that manager really wanna be beat like that volleyball >:((