Also they should make it so it doesn't feel like a sloppy harem. The MMORPG setting was really cool and honestly, it would've been like 8/10 for me if they had better characters and if they got rid of Kirito. Also, they should've removed the fairy arc.
Being an amateur author until their works got popular due to different cultural opinions and they got an actual contract with an editor and got better at writing but fucked up because they at first had trash ideas until they then had a great idea, which in turn made it yet again incredibly popular in japan.