The birth of every god has a meaning for his coming to this world.
But... For Yi Ya... The meaning of her birth is: eating, sleeping and acting cute.
Yi Ya: Well, what is a diary?
Yi Ming: ... Don't worry about it so much. After all, "Yiya Diary" does not refer to a diary, but to your daily notes after your birth.
Yi Ya: Then who is the protagonist? Is it me? This is so unfair to my brothers and sisters.
Yi Ming: Everyone is a unique protagonist in their own story, so they shouldn't mind...