At least this time, the person saying it is aware of the fireworks. Don't think I've encountered that one before. Honestly, I'll kinda let fireworks ruining the moment slide, since the characters here are older.
In Rascal Does Not Dream Of A Logical Witch, Futaba deliberately chooses to confess to Kunimi during the fireworks climax so her words aren't heard but her feelings get across in the hope of shedding those feelings. Unfortunately for her, it only does two of those three things.