Whether it is study or exercise, the ultimate goal of these things is to let people live the comfortable life they want. Therefore, there will be no time traveler who does not enjoy life and life after successful struggle? Life is not as good as in the real world Rich people, right? Don’t you want to experience all the good things in this world? And the fruits of your own struggle? No way? My friend. Do such human beings really exist? It’s okay to be lonely, become stronger, and have high ideological awareness. But working hard is for a better life, right? Don’t enjoy the beauty of each world, and face the ascetic monk with an invincible posture, the mechanical Become stronger. It’s okay to be a time traveler like this for two or three years, and it’s okay to be a time traveler after three years... This time traveler is not worth mentioning! Therefore, this is just a way to become stronger in various worlds and enjoy the unique beauty of each world. story. That's all.