Type Moon, starting with body swap

One day, Arizuma Kuonji suddenly found herself transformed into a male high school student.
Not only that, she also met a girl named Ryougi Shiki at school who occasionally showed murderous intent towards her.
The fairy tale witch will naturally show no mercy.
The fairy tale witch tied up the other person.
……
Heitong Xianhu is an ordinary freshman in high school in Guanbuzi City.
One day, when he woke up, he found Ryougi Shiki tied up and locked in his own warehouse.
By the way, the biggest local gangster is named Liang Yi.
It is said that they are already casting a wide net in search of their eldest daughter.
……
Due to special reasons, I lived with the eldest daughter of the Ryougi family. She seemed to have a tendency to want to kill people the closer they were to her.
Question: She can’t help herself and wants to kill me now. Is this a good thing or a bad thing?
……
Worlds involved: Night of the Magician + The World of the Sky + Tsukihime
Style of this book: supernatural as embellishment of life, daily text, and business flow.
The main plot is the commercial development starting from game production, with the original crisis as a branch plot.