I'm in Type-moon, and My Fiancée is Kuonji Aratama

Sixteen-year-old time traveler Li Qingyun is told he has a fiancée in Japan, and that Kuonji Temple is a place where he activates his magic circuits and awakens a magical eye called Mooncell. With the help of the magical eye, he observes the FGO world line. To prevent the world from being destroyed by Marisbury's ingenious scheme, Li Qingyun decides to solve the problem at its source. He wants to build a new magical world. Technological development leads to the decline of mystery, so they are in opposition? Advanced technology is the primary productive force; the combination of technology and mystery is the destiny of magic. Learn about personal spiritual computing terminals; even the most foolish person can use magic. "The gate to the Root was right in front of me, but I chose to refuse. I hope to lead everyone to the Root." Simulated Construction of Extraordinary Events: He seized authority from the Moon King, cooperated with the Great God Zeus for mutual benefit, witnessed the end of the gods, and saw the demise of the fairy sisters. Seven days later, he was reborn on the cross. Standing before you is Li Qingyun, the highest authority holder of Mooncell, the builder of the lunar city, the incarnation of Hayek who seizes wealth, the master of clock tower advancement, the legendary employee of the Secret Corpse Dissection Bureau, the fastest Grand Master, the monarch of the modern magic department, an outcast in the eyes of magicians, the divine child in the mouths of the Holy Church, and the beloved of Kuonji Yuzu.