Transmigration (Monika x F Reader)

After playing DDLC, (Y/N) goes to sleep, but when she wakes up, she's in MC's bedroom. There she finds a note from MC telling her to save Monika and thereby save all the other girls as well. In the note it's stated that (Y/N) will be trading places with MC. The game was altered to where (Y/N) has always lived there an...