Crossroads (Touko x N)

It's been 2 years since Touko last saw her long green haired friend, N. Now her and the legendary Zekrom have returned to the Ferris wheel where she and N became more than just rivals for the first time. A girl with a Serperior is there.
What happens when they become friends and Touko finds out that Mei has a hidden friend that saved her from the glacial Pokemon, Kyurem? Who is this friend? What secret are they hiding? All questions will be answered now.