Remove Spirits and Add Spells, the Witch Sisters Serve Me

[System + Spell Return Setting + Double Star Onmyoji Setting] There is no Gojo Satoru, it is not a fanfic but a derivative work. A witch serves the gods and is his wife... Wu Di traveled to the year 2219 and obtained a system for killing curse spirits to permanently increase the power of the curse. Two hundred years after the collapse of heaven in 2019, there are hundreds of billions of cursed spirits, vowing to create lawlessness with hundreds of millions of cursed powers. - However, he was deprived of his six eyes and magic power at the beginning, and was arrested all over Daxia. Fortunately, my sister's surname is Abe, and her grandfather is the strongest onmyoji... I fled to Sakura and was shocked to find a bunch of miko sisters? ! - A black flash only costs 200 mana? Hecai 15,000? Infinite space is only 50,000? Can the magic power still be given? Wu Di has billions of curses and seeks defeat alone However, my sisters are so powerful, do I need to take action? - The Surge of Cursed Spirits, The Kingdom of the Impure, and the Su Nuo Army The five-thousand-year plan of the mastermind behind the scenes finally came to nothing...