Developing Honkai Impact 3rd, I Am Surrounded by Valkyries?

Su Mu traveled to a slice-of-life world that combined elements of Honkai Impact 3rd and Honkai: Star Rail while carrying a game development system. He discovered that this world was completely different from what he had imagined. The popular idol Magical Girl Teriri has been famous for twenty years and is currently on a world tour. The Herta Game Studio under the Interastral Peace Corporation was officially established today; the studio will hire Madam Herta of the Genius Society as a titular consultant... Jing Yuan has started a livestream called "Xianzhou Treasure Appraisal," opening his doors for broadcast every day. To secure a place in this strange world, Su Mu joined the miHoYo company, preparing to give the world a little shock with his games! Raiden Mei: "Eh? I am the 3rd Herrscher, and also Acheron?" Welt Yang: "The Honkai is still chasing me? Dammit!" Firefly: "Senior, what do you mean by a beautiful girl mecha transformation?" Getting Over It, Honkai Impact 3rd, Honkai: Star Rail, Sekiro, Resident Evil.... Clearly, the games are becoming legendary one after another, but why do I always feel like my boss, Kiana, wants to kill me? — Description from novelcodex.org