January 1, 2021.

The new years clock went off, and fireworks screeched outside before going off with a bang. But Kunikuzushi, your closest friend, seemed off. He wasn't partaking in the festivities.

Meanwhile, in another world, that world's Kunikuzushi had tried to erase all memories of themself. But you can never truly destroy something. So those memories were sent off to another world.. your world.

"..Hey, can I talk to you?"