Finished it. That ending was pretty bad. But everything up to it was fine.
The fuck was this shit on the bridge:
spoiler for golden time
Apparently linda showed up out of nowhere and could see Banri's past self from the bridge accident. I guess the lightnovel has a different ending because the anime couldn't wait..?
If that isn't just for the Banri x Linda shippers then I don't know what
"Dear reader, I hope this email finds you before I do."