Puso Ni Comi tells the story of a character named Mitarashi and her daily interactions in PSO2. She has a close friend named Tetra, along with a multitude of other friends. It's full of in-game jokes that are surprisingly relatable.
Translation: Shiki & Perseonn (Manaka Sub)
English QA: Aida Enna
Check out Manaka Sub's homepage at http://capa.wikidot.com/article:puso-ni-anime-sub!