Everyone's at the fireworks festival, but Naoya and Saki have been separated, foiling Shino's plans. Instead, Naoya has ended up watching the fireworks with Nagisa despite their plans to the contrary.
I swear, it was nothing! 
Let's watch the fireworks!
!أقسم أنه لم يكن شيئًا! لنشاهد الألعاب النارية
Je t’assure qu’il n’y a rien !
Profitons du moment.
Ti giuro, non è successo niente!
Eu juro, não fizemos nada!