you and the dokis learned to send messages into the past, one resulted in natsuki becoming a goth. A few weeks later, before the 5 of you could use the newest invention, you were attacked by a gang, the boss arrived at tried to stop you.

???: I'm left with no choice but to stop you!

they killed sayori and shot you with a dart that started to mutate you

yuri: NORAH!!!

Monika: WHAT HAVE YOU DONE TO HER?!?!

Gothsuki: oh crap

but they didn't know it, but I wasn't the same Norah anymore