No More Time (Lonely!Sans x Mute!Reader- Sequel)

The series- First book: "Lost in Despair" -Finished Second book: "No More Time" -Currently writing Third book: "Can't hang on" -Work in progress ---- You were already insane, sure. But now that the voice inside your head gets louder, so does the one in Sans' head. It's like you two, the different couple, are always...