Riddle Birthday Campaign

Riddle's Birthday Campaign is a campaign that was held to commemorate Riddle Rosehearts's birthday in the game. His limited SSR Birthday Boy card could be summoned through his birthday summon.

Associated Summoning Event: Riddle's Birthday Summon

Campaign Period
August 23, 2021 16:00 JST - August 29, 2021 14:59 JST

Birthday Login Bonus
Claimable on: August 24, 2021 0:00 JST to 23:59 JST


 * Along with the fully voiced Birthday Story, you can obtain a 10-pull Magical Key as well.
 * Even if you don't log in during this day, the Birthday Story is still added to your album

Riddle Card Strengthening

 * The probability of getting Great or Excellent when strengthening Riddle's cards is increased during the campaign period

Limited Time Background
Displayed on: August 14, 2021 0:00 JST to 23:59 JST


 * On Riddle's birthday, the home page background will be changed to "Heartslabyul Dorm Birthday Party Venue (Day)"
 * This can be turned off in the settings

Riddle's Room (Day) Background
Riddle's Room (Day) background is available in the Backgrounds Shop during the campaign period. It can be purchased with (R) Perfumes.