It's day one of the festival, and Rimuru finally gets to see all of his friends' performances and presentations. As he's enojying the festivities, he's summoned by Luminus...
And in this case...
...وفي هذه الحالة
Und in diesem Fall …
Y en esta ocasión…
Y en esta ocasión…
Or, dans le cas présent…
E nel caso corrente...
E, neste caso...
Ну а в нашем с вами случае…