https://x.com/Blue_ArchiveJP/status/1960179795557597229

>[Bug fixes]
>The following bugs have been fixed:

>- Under certain circumstances, the cost overload state caused by the effect of the EX skill "Teatime in Wartime" of the student "Nagisa (Swimsuit)" is removed even though the effect is still in progress.

>This issue can be resolved by restarting the game.
>We apologize for any inconvenience this may cause.