?

Nope.

Yes, they will have at least 3.
But the author decided to put them in extra 2 which is planned to be released his year. Originally they should have been mentioned in the epilogue, but the auhtor changed her mind.

REALLLY!? OMGGGGGGGG

Yes, she was kind of forced to spill the beans when they removed the pregnancy tag while the story was still running, since readers complained about the removal.
And the number (3) she hinted after the story won a award on ridibooks.