Summoning Valkyries in Genshin Impact and Becoming an Adventurer

Lin Yun, who was playing Honkai Impact 3rd, suddenly found himself transported to another world. But why Genshin Impact? Shouldn't it be Honkai Impact 3rd instead? He was immediately surrounded by a group of Hilichurls upon his arrival? Fortunately, the Honkai Impact 3rd system was also with him, and some things were preserved, especially one Valkyrie. "Kiana, appear... Ahhhhhh!"