Tarot Twelfth Month

[No heroine + friendship + genius + Western fantasy + immortality + tarot cards + fast pace + easy] - PS: Geniuses have genius treatment + upgrade stream, but it's not the main thing - A young man whose life experience is a mystery; A magical dragon with a purpose. They embarked on a journey together, and the young man ignorantly explored the world, made friends, and witnessed a topic about fate. As an immortal, he is always hovering on the edge of death, often scaring his unsuspecting partners half to death. The secrets of the world gradually emerged. Along the way, he accidentally carried too much. After witnessing all the truth, he made the final choice... (The OC outline is complete, I don't know how to eunuch)