You can exchange friendship points with your friends. 

You can use friendship point by 'summon' or at the 'friend shop'. [menu] → [friend]

1. You can check the friendship point that you have.

2. You can check the friend list, receive friends, and your request.

3. There will be a friend list displayed.

4. There will be the number of friends currently added and the maximum number of friends that can be added are displayed. 

5. You can start a friendly battle with your friend.

6. You can send the friendship point to your friend. 

7. You can delete your friend from your friend list. 

8. You can send the friendship point to your whole friends on the list. 

9. You can buy items by friendship point on the friend shop. 

 - Gold, action point, Friendship box gacha, etc.

10. You can search for a certain user by searching for the nickname (character name).

11. You can send the friend request to all eligible people. 

12. You can check the users who sent you a friend request. 

13. You can check the users to who you sent the friend request.