Silver Birthday Campaign

Associated Summoning Event: Silver's Birthday Summon

Duration: May 14, 2021 16:00 JST - May 21, 2021 14:59 JST

Birthday Login Bonus

 * Duration: May 15, 2021 0:00 JST to 23:59 JST
 * Along with the fully voiced Birthday Story, you can obtain a 10-pull Magical Key for this day only
 * Even if you don't log in during this day, the Birthday Story is still added to your album

Silver Card Strengthening

 * The probability of getting Great or Excellent when strengthening Silver's cards is increased more than usual

Limited Time Background

 * Duration: May 15, 2021 0:00 JST to 23:59 JST
 * For one day only, the home page background will be "Diasomnia Dorm Birthday Party Venue (Day)"
 * This can be turned off in the settings

Silver's Room (Day) Background Available for Purchase

 * May 14, 2021 16:00 JST - May 21, 2021 14:59 JST