GI + ZZZ + HSR

This is an Au where their worlds combined into one. HSR Characters: Acheron, Argenti, March 7th, Black Swan, Arlan, Asta, Bailu, Blade, Bronya, Clara, Dan Heng, Firefly, Fu Xuan, Herta, Hanya, Guinaifen, Stelle, Trailblazer, Silver Wolf, Kafka, Welt, Jing Yuan, Sampo, Jingliu, Topaz, Huo huo, Seele, Feixiao ZZZ Characters: Zhu yuan, Belle, Corin Wickles, Koleda, Soldier 11, Soulkaku, Ellen Joe, Miyabi, Nicole Demara, Nekomiya, Anby Demara, Grace Howard, Rina, Jane Doe, Burnice White, Tsukishiro Yanagi, Caesar King, Astra Yao, Evelyn, Wise, Ben Bigger, Billy Kid, Anton, Seth Lowell, Von Lycaon, Asaba Harumasa, Lighter GI Characters: Beidou, Xianyun, Yelan, Ningguang, Xiao, Kaeya, Dliuc, Aether, Alhathiam, Xiangling, Thoma, Kaveh, Zhongli, Venti, Hu Tao, Cyno, Tighnari.