Responses
Where did you see there was a 6th chapter
The info is wrong.
They mean the extra chapter, which we call 5.5. All chapters included in the book are listed on the final page: http://www.mangago.zone/read-manga/outsider_communication/uu/d_chapter-5.5/pg-15/
Were is the last chapter ??? there is meant to be 6 ┑(￣Д ￣)┍