It's just a shirt collar.Is it spirital collar on his neck at the end of chapter?
Sounds like someone hasn't checked the artist's feed.at this rate
They were childhood friends. Also he seldom left town, not never. He was familiar with her bar after allIt seems like he was stopped from dying by Chiaki. So she needs him to stay alive and probably forces him to be miserable. Also sounds like he was an ex with the bar owner girl but I thought he never left town.
Us every chapterI'm left with even more questions after this chapter