Originally Posted by Zenithale

Just to be sure, do you mean the Affection boost x2 is only instant and does not work on later Gifts?
So, at the end...
[Affection +100 then Evolve]
...is better than...
[Affection +60 then Evolve then Affection +40]
... right?

No, the affection bonus doesn't decrease whether you evolve at 100% or 10%.

Originally Posted by Akuser

Can you list the best girls around 3*? All classes.

The JP wiki I linked recommends Rose Diana, Priscilla Gladiolus, Phala Enopsis, Rosa Novalis, Saffron Pansy, Marigold, Gomphrena Globosa and Cary Ophyllus. But 3* are pretty stopgap and I just throw any of them on my squads.