I completed Pride Mansion stage 5 for the first time earlier today. After doing so I unlocked the Whaty image, but the game appeared to be frozen in that screen (could not click the image away) so I had to refresh my browser which put me back in the Home screen. I did not receive any rewards from stage 5, and when I hover cursor over stage 5 to show the rewards, it still depicts all possible rewards, so I'm positive I didn't get anything, but the fight was still on a 24 hour cooldown and there is a 1 next next to the fight.
My HHID is 2554477