After the seven big brothers awakened BE memory

changed.

And the time of the past few days can't be discerned by the naked eye, so every time the maids look at it, they will think that "it's not yet time", but they think there is still time, but in fact it is not the case at all.

That's why Lycia will now open the enchantment here, instead of in her room as usual.

This refers to the tide of mermaids.

It sounds as elegant as the tide, the ebb and flow of the tide, but in fact, to put it bluntly—it is the estrus period.