We have identified an issue where achievements were not being properly unlocked upon clearing each route, and have implemented an emergency patch to resolve it.
We sincerely apologize to all users who experienced inconvenience due to this issue.
To ensure a smoother gameplay experience, please make sure to update to the latest version before continuing.
For those affected, we are working on a follow-up update that will automatically unlock achievements for completed routes as soon as possible.
Once again, we deeply apologize for the inconvenience caused.