THIS IS AN MANGA ONLY DISCUSSION POST. DO NOT DISCUSS ANYTHING BEYOND THIS CHAPTER.
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uh oh!!! that's trouble!!! if you look at it from risa's point of view, yes it seems as though its nothing since its just a concert, and kohori is just a friend... but looking at it from otani's point of view, when you're too busy to spend time with your girlfriend, and someone else OBVIOUSLY likes your girlfriend and your girlfriend chooses to go to concerts and hangout and stuff with that guy, of course you'd feel insecure and now it doesn't look too good too!! OH NO!!! but kohori is just too cute!!! :p hmmm..