People Form a Team at the Beginning of Genshin Impact with Their Younger Sister

I traveled through the world of Genshin Impact, which has a system. According to the normal plot, I should cheat and become invincible all the way, and finally reach the pinnacle of life!... But the reality is that the system ran away, it ran away, and it doesn't want me anymore, which means that I can't cheat or be invincible... So I opened my mouth and followed the brother or sister of the protagonist of Genshin Impact to explore the continent of Teyvat, starting a new journey that is familiar but strange. I have been to too many places and seen too many things, including Tevarin in the Wind Dragon Ruins, the demon god Guyun, the elusive young master, and the immortals who live in seclusion in the world. There are many more. I saw Barbatos, the wind god, the god I once looked down upon. However, he is strong, strong enough to become a storm that destroys the world, but he is also weak, weak enough to become an inconspicuous bard. By the way, there is also the Rock King Emperor. That guy is stronger, stronger than Barbatos, so strong that people cannot imagine. But at the same time, he is also a friend worthy of respect and dependence. There are many more. My journey is still very long. I have been to many places, met many people, and many places that I have never heard of or even thought about. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.