Paper NPC Awakens [Quick Transmigration]

When a paper-doll NPC awakens to self-awareness, a new journey begins. [Reader's Guide] 1. A no-romance quick transmigration story, but the plot in each world may go off the rails because of the protagonist's arrival. 2. The protagonist is highly intelligent, but the author isn't, so please be understanding. 3. This is probably a story about journeying through endless illusory worlds and turning oneself into something real and eternal. . Theme: Behold the vastness of the world.