Genshin Impact: I attack as Kevin

Kevin travels through time and space to Inazuma, and becomes Xiao Gong's brother. With the help of the Heavenly Fire Judge "Xi'er", he changes the future step by step. There are some plot changes, but most of them still follow the original protagonist's plug-in Heavenly Fire + Ice God's Eye, many female protagonists (should?), slow to warm up, and no system. This is a practice work, please be more tolerant. ...