Hey, Shueisha, here's a thought; maybe, before releasing a feature that allows a user to read a chapter only once, try testing your app to make sure it doesn't constantly fail to load chapters. Or randomly switch to a previously read chapter in the middle of another. Or just randomly stop working. Whether this is sheer incompetence or unrestrained contempt for your users, it just makes reading fan scans (which can have far superior translations, lul) a lot more appealing than it already is.