Indo-Pakistani Nuclear War

"With Juliette gone and the Berry Bees unraveled their mission to disarm many Pakistani and Indian nukes, I think there has been a problem right here; it seems that India and Pakistan are launching nuclear weapons on each other, starting in Kashmir. That's what I told you so about nuclear winter in such a nuclear war like this, even if it's regional or something like that."

--Su Ji-Hoon, Pika's Arrival

The Indo-Pakistani Nuclear War is a conflict between India and Pakistan that had launched nuclear weaponry on each other, kickstarting the Last Day.