You’re MC, but you’ve gained sentience of the DDLC game. In result, you’ve imported yourself to a save of DDLC which was mostly normal. And you have full control of the girls.

Natsuki: “Wha…? Where are we?”

Yuri: “MC? What..Uhm..Happened?”

Sayori: “MC..What’s going on?”

Monika: “MC?! How did you..”