Unconventional Playing System

Li Xu obtained a system that does not follow routines... From then on, he was forced to talk about immortals in the historical world Talking about fantasy in the world of science Talk about science fiction in a magical world Playing Summons in the Urban World Being a mortal in the world of immortals This is not just for fun, the system also asked him to open the Crystal Palace... Diao Chan, Xi Shi, Wang Zhaojun, Yang Yuhuan, the four beauties will not be spared Misaka Mikoto, Suzumiya Haruhi, Platycodon, my king is in the bag Nuwa, Chang'e, and Yang Yuchan are also indispensable Li Xu: What kind of harem system is this? It's so delicious First stop: Demon Slayer: Kimetsu no Yaiba This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.