Quote Originally Posted by HellamongHeaven View Post
How to increase popularity?The number of heart isn't increasing at all for me, and anyone know how many popularity point we need for each heart?
To increase just use them a lot.

No idea on exact numbers per heart; however, if you level your girls to 20 without using exp boosts in special training then you should have them at 4 hearts, or very close to getting 4 hearts. I have 3 lvl 20's right now and 2 of them have 4 hearts. The other one died a lot and only got 1 popularity point. Oh, and my girls are 3 and 4 star girls. Not sure if that makes a difference or not.