Watch anime online, stream anime episodes online for free.Watch Mushishi Episode 20 English version online and free episodes. Anime Episode guide, Chapter Mushishi Episode 20 English dubbed A Sea of Writings Ginko arrives at a secluded place to meet an old acquaintance, who seems to be in charge of an archive with a lot of confidential texts. Ginko is allowed to read the texts and ends up reading some of the writer, Tan’yu’s work. Tan’yu is the descendant of the Karibusa family, a cursed family whose members are born with a black mark on a part of their body. This means she contains devastating Mushi within her body but Tama is there to help remedy that.