GIVEN GN VOL 9

Mafuyu arrives in Shibuya where syh's concert will be held. Clutching the tickets both Ritsuka and Hiragi have given him, Mafuyu stops dead in his tracks when he runs into someone who shouldn't be in Tokyo-Ugetsu. What does his presence there mean, and could this be the catalyst Mafuyu needs to finally move forward and make a decision?