Yes, you can write a story in blog. However, it will take some effort on your part.
First, you will need to gather your materials. This includes a good plot, believable characters, and inspiring settings.
Then, you will need to write your story. Be sure to use clear and concise language so that your readers will be able to follow your story easily.
Finally, once your story is complete, you will need to submit it to a blog hosting site. Many hosting sites offer free submission services, so be sure to check out the options available to you.