Miscellaneous short stories about Octavia for Miss Spectrum.
Each chapter can be read as a standalone story. They will occasionally make reference to each other, but it shouldn't make much difference what order you read them in. (Except the Tavi and Lyra ones. Read them in order.)
If you enjoy this series of flash fiction stories, be sure to check out Parties, Preening, and PTSD, my longer Octavia x Vinyl Scratch story. (Contains some M-rated stuff.)