While Ryusuke wanders the streets of New York in the wake of Eddie's death, it's on Koyuki and the guys in Japan to climb out of the seemingly bottomless pit they find themselves in. But while they struggle to find their footing, summer draws to a close...meaning the day Koyuki and Maho must say goodbye draws nearer. When Maho starts to get cold feet about leaving, Koyuki vows to himself to see her off with a smile. With their parting just around the corner, what sort of promise does the young couple make?!