The Great Nanny of All Heavens and Worlds

This is an agreement from the Supreme God of all heavens and realms. All kinds of "people" began to appear around Chu Nan. After leaving Omuran Town, the Youqiong brother and sister had nowhere to go and needed to live temporarily at Chu Nan's house; In the FATE world, the servants who have not yet been summoned are also placed in Chu Nan's home; In order to maintain the balance of Conan's world and prevent excessive death, Conan, the primary school student of the Ten Thousand Years of Death, was also thrown into Chu Nan's house. There is also an invitation from the fff group, how should Chu Nan choose?