C1277 First Time in the Demon World

"It's not easy to activate this formation once, and it often breaks through the barrier outside the Demon Realm. It's also very easy to cause instability in the spatial zone, and it will affect our Little Mirror Lake in the end. So from tomorrow onwards, tomorrow will be your first day. Before you come back... From now on, every seven days, which is also the seventh day... Fourteenth day