Yes, you can make changes.
■ Setting procedure
1. Tap the person icon in the upper right corner of the app.
2. Tap [Account Information] to go to the profile screen.
3. Tap the [Change] button for the information you want to change to display the change screen.
4. Enter the information you want to change.
[Please note]
Once you change your profile, you cannot change it again for one week.