What?! The car's GPS only shows the road...!!

Kawafuji, the only friend of handsome young calligrapher Seishuu Handa, has come to visit the island...!! However, the lack of cell phone signal and any useful landmarks is preventing the two of them from meeting up!! And who is this Kyousuke Kamisaki who's come along for the ride...? There's a storm brewing in the third volume of this sophisticated (?), heartwarming island comedy!!