Possessed Protagonist Plays with All the Worlds

Four or five good young people on Blue Star who love cartoons and novels accidentally saved someone and died. They were selected by the supreme being to become the bearer and given all the essence of their bodies into one thing - a system. The protagonist is reborn, and as a new life begins an inexplicable journey across the worlds. From then on, the protagonist embarks on a journey through the worlds to upgrade and complete tasks in order to reach the highest level. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.