Download manga from linemanga
- Install EditThisCookie
- Go to https://manga.line.me/ and then export cookies
- Create a cookie.txt file in the location where the .exe file is and paste the cookie you just copied into it
- Launch exe and Enter the url you want to download
The url should be in the following format https://manga.line.me/book/viewer?id=B001627269180047#/
Not https://manga.line.me/book/viewer?id=B001627269180047#/=page12 etc.