Ugi, who works as a web writer, is assigned to write for Dasgo Sai, a mysterious novelist who never appears in public, for his company's project. However, a handsome young man who calls himself "Dasgo Sai's ghostwriter" appears on the scene. "I'll be your friend, Ugi-kun. A friend who you can have sex with!" Ugi is at his mercy and they become sex friends, but one day he witnesses his "true self"...!? A sympathetic love story between the souls of a hardworking writer and a free-spirited genius!!