You can block users you don't like. (We don't see any chat from blocked users.)
① Tap the profile of the user you want to block.
② Tap on 'Block'.
③ You can also block immediately in the field.
④ [Select user to block - Tap on 'View user's Info' - Tap on 'Block']
You can check the Blocked users at: 'Menu' - 'Friend' - 'Block List'.
⑤ You can unblock an user by tapping the 'X' Icon.
※ The guide was produced in a separate test environment.
So, It may change depending on the update and development situation.
Thank you for your love and interest in the Devil Book~
Devil Book Team