You all talking about Easter Cactus?

Yes, she really is phoenix-chan and is the only one with this ability.
Revive When Downed: Heal % 50% for 3; Heal 50 if Downed

I look forward to trying her out with Saffron and Apricot No one shot kills possible and long battles get 50% longer
and girls that add 20% or 30% attack per turn. More of those are coming like Greenbell Snowdrop and Cowtits maid(shes fricking great) .I run those on DMM but I haven't got Easter Cactus yet