Dear players
Challengers event is open. But not working.
We are checking on this issue. Please don't play challengers for now.
We will fix this as soon as possible.
We are sorry for your inconvenience.
GM Lovebeat.
[EDIT]
We completed correction of this issue. A small amount of update is required.
Please update and enjoy LoveBeat.
Regards
GM Lovebeat.