Purcell's Twin Mermaids

Saier fanfic, OOC apologizes, all staff are personified There are two female protagonists who are biological sisters. They are not time-travelling. They are both aboriginal residents and mermaids! Will join the God of War Alliance later Sister Duan Yumu: sister control Sister Wei Ningsheng: sister control Others: "…" (The introduction is not well written, please move to one or two chapters to see if you like it)