Originally Posted by Zerana

It's been a while, but on one of the old threads I remember someone saying that they couldn't use an unevolved girl on an evolved girl to increase the skill level/unlock an equipment slot. Has Nutaku fixed this, or is this still a problem?

I did it today with my Orchid 5* (Evolved, Level 70), and I got +1 Skill and +1 Equip Slot.