Caelus Online - LightNovelPub Learn more Caelus Online. In September of 2027 the fantasy VRMMORPG Caelus Online was released, becoming the most popular game of the year and taking the world by storm. Three months after launch the world was shaken as those who played Caelus online found their previous selves changed into their in-game characters with access to all their abilities and skills. With... Learn more