The game experienced a shutdown during opening or collectively claiming a Card Pack.

How can I listen to the artists' voice?

I failed to claim the daily reward for my subscription.

I want to change the artist displayed in the Lobby.

I want to change my Concept Photo.

I can't find the cards that I acquired.

I want to restore a card that I accidentally used as upgrade material.

When do rewards in the Message Box expire?

I wasn't given a reward after watching an ad.

I want to know more about each in-game resource.

What is an Anniversary Collection Ticket?