According to Bushiroad , the game Sakura Cardcaptor: Clear Card Happiness Memories will be closed from June 30th.
The game's microtransactions have already been discontinued.
The game is inspired by the Sakura Cardcaptors manga and anime , with some original illustrations and stories as additional elements.
It was a premature cancellation, as it was released in October 2019 .
Source: ANN