You will unlock Harajuku on the map and many Side Stories, Requests and the new EX Story.
Chapter 2 Intermission – Side Stories
Poker Face – Kiria’s Side Story
Touma in Leopard Print – Touma’s Side Story
Booze and the Boss – Maiko’s Side Story
Meet-and-Greet Pressure – Tsubasa’s Side Story
Chapter 2 Intermission – Requests
At the end of the Intermission Itsuki learns the Special Performance Strike a Pose and you get the Lesson Mode costume for Touma.