Probabilistic Folds

An ordinary high school student because of some kind of power. Saw the experience of a lifetime. Entering the enchantment of flowers. After entering reality again. Due to certain events, he entered four special alien worlds. I cannot control the coming and going. You can only accept your fate. After the protagonist returns to reality, he finds that his experience has been published into a popular novel. But the author's name is a string of symbols, and then the protagonist starts looking for the author of the novel...