Obviousagent flatters me, and I'm very appreciative!
Sadly, there's not too much gothification stuff out there, at least that I've been able to find, and really not that much since I came onto the scene.
There is my 'The New Housemate':
https://www.literotica.com/s/the-new-housemate-2And I also contributed a cybergoth tale, 'Our Girl in Blue', if there's a niche that appeals to you:
https://www.literotica.com/s/our-girl-in-blueThe only new story I've found since is 'Goths, Thots, and Emos, Oh My!' by Imasuky:
https://archiveofourown.org/works/32364283And it's not
strictly a gothification, but Kallie's 'Alternative Lifestyle' features an alt girl transformation that may appeal:
https://www.literotica.com/s/alternative-lifestyle