This story that this author is posting was written by FirstRuler, who made it around 2021 on wattpad before his account was deleted and can now be found on ao3.
If you want to or if I can persuade you will you be able to raise the harem list to 30 or 40, but draw out most of the relationships over 10 to 15 chapters
If you want to or If I can persuade you maybe you can increase the harem size to like 30 or 40, but you drag out some of the relationships or have some harem members be introduced very late