The four main voice cast members: Yuka Iguchi (Aoi Yukimura), Kana Asumi (Hinata Kuraue), Yoko Hikasa (Kaede Saito), and Yui Ogura (Kokona Aoba) are all confirmed to return.
Siro’s mountaineering-themed manga Yama no Susume/Encouragement of Climb is returning to anime in an OVA titled “Omoide Present” (Memory Present) October 28th and third season in 2018.
Tickets for the limited event screening are going on sale July 22nd, and preparing for this, a new visual has been revealed.