Rimuru decides to throw a summer festival resembling the ones held in Japan. The monsters have never experienced a summer festival, but when they hear that it's a party, they go all-in to prepare. All the monsters of Tempest work together and eventually come up with masks, paper lanterns, and even festival floats. On the day of the festival, everyone in the town enjoys piping hot takoyaki, cold shaved ice, yukata, and a Bon dance. In the end, they fill the skies with fireworks as the festival reaches its climax...
After much trial and error, I think 
we did a good job reproducing this.
بعد الوقوع في أخطاء وعثرات، أعتقد
أبلينا حسناً في إعداد هذا
Und die hier haben wir nach einigem Ausprobieren
auch ordentlich hinbekommen, denke ich.
Creo que tras varios intentos
reprodujimos esto a la perfección.
Creo que tras varios intentos
hemos podido reproducir esto muy bien.
Voici le fruit de mes essais.
Per questi abbiamo fatto un po' di tentativi, 
ma credo che il risultato sia buono!
Após muitas tentativas, acho que chegamos
bem perto do original com esses!
Мне кажется, что методом проб и ошибок
у нас получилось воссоздать его!