https://lightnovelstranslations.com/i-realised-that-i-became-the-strongest-after-spamming-the-100-million-years-button-the-dropout-swordsman-that-became-unparalleled/
There's illustration and all.
Would appreciate a pdf or epub.
http://www.vn-meido.com/k1/index.php?topic=8748.0