All achievements are in the Go! Go! Nippon! 2016 DLC. Original and 2015 versions don’t have any achievements tied to them.
This guide is focused on getting all achievements in the least possible steps, which is six playthroughs plus cleanup, and translates to 30 minutes of dialogue skipping.
Press to find the route for any specific achievement.
Follow the guide thoroughly to avoid any issues.
- Any choice.
- Go to Mt. Takao.
- Go to Shinjuku.