You might find Jinx manga on dedicated manga apps like Comixology or Shonen Jump. Another option is to search on bookstore websites that sell digital comics. Just make sure you're accessing legal and authorized sources for the best reading experience.
I don't know of any legal place to read Jinx manga for free. Unofficial free sources can be risky and may not provide good quality. It's worth investing in a subscription to a legitimate service to enjoy the manga properly.
The update schedule for the Jinx manga can vary. You might want to check the official website or social media channels of the publisher for the most accurate and up-to-date information.
Jinx Manga is basically centered around the life and experiences of Jinx. It may incorporate elements such as magic, mystery, or romance to make the story engaging. The specific details would depend on the particular storyline and the author's vision.