The number of side missions in "Double Shadows" is very large, and the hiking side mission is one of them. If you want to do this side mission, you can go to the metropolitan life of Neon Revenge in Chapter 2. You can go to Mio to enter the mobile toilet, and Zoe throws the mobile toilet to the high platform in the rear.
Where to do the Double Shadow Story Mountaineering and Hiking Branch
Mountaineering hiking
Position: Chapter 2 Neon Revenge Metropolitan Life
Mio entered the mobile toilet, Zoe threw the mobile toilet to the high platform behind, and Mio dropped the ladder after successfully reaching. The branch entrance is on the platform.
