The number one rule of getting artist is unless they are your friend, they will absolutely never do something this large for free.
Second off, you told absolutely nothing about your project. No general idea, no character ideas, no plot. What shows us that you can write manga and know enough about it to put a series together?
Third off, your title states you need "Animators" for a Manga which is a huge red flag. Anime is animation usually adapted from a manga. Manga is more like a Japanese comic book.
If someone is going to invest time into your project, they'd expect you to have a set plan. To have money to pay them for their effort because this isn't one neat little drawing, AND to know the difference between a manga and an anime at the very least.