Total Recommendations: 2
These two anime shows have similar art work. The coloring, the morale/plot/story is kinda similar but it has its differences. And if you look carefully, you may even find like a connection through the names and posters and stuff like that. And they both have like three different couples' stories about how they met and fell in love and how they overcome hardships that go their way, if they overcome them.
In Fushigi Yuugi: Genbu Kaiden, Takiko has to find the seven celestial warriors that will save the country from destruction. And in Baby Birth, the main character has a partner to help her save the world from the evil monsters that were able to escape to the real/human world.