For those who don’t know, web-serials are essentially stories posted online, with some ranging in size from short tales and others reaching the length of several novels. The quality usually varies as their typically isn’t any oversight and so the author is in charge of handling all of that.
In particular, some good ones are written by
Wildbow, who has garnered a massive following with his superhero story turned cosmic horror,
Worm, his urban fantasy story,
Pact, and his current Biopunk story,
Twig.
Check them out if you have free time. But be warned, happy is a subjective thing and the endings tend to be bittersweet.
Oh, and here are the Goodreads pages: