The biggest mystery of the entire franchise:  why does he unbutton his jacket?  Like… is it hot when you summon your persona for the first time?  If that’s the case wouldn’t Yukiko be burning up?  Or maybe the school uniform jacket is too warm, or maybe it tightens up?  In that case Naoto would have to do the same, so would Yosuke…

… I just need answers is all.