If she is newly bloomed and still low level, that normal. low level bloomed girls are weaker than lvl70 evolved girls. You need to level up her more and, if you can, give her some bloomed affection gift (after unloking her bloomed affection gauge). That's not acurate but I think a girl will reach her lvl70 evolved power arround lvl50 on her bloomed form. Is she is under lvl30, don't expect anything from her aside her abilities bonus.She even died after blossoming in a mission I did a dozen times before without trouble, so her ability to soak damage is also not convincing (stuffing her with ampies obviously did not help much).
also, when you say power level arround 60k I guess it's the power level of one team or your helper team. If it's your total power (aka the addition of your 4 teams power level) it's really REALLY low. For the helper team power level, remember that some people put all their higher total power girls in the helper team while you use more balanced team with good and less good girls in it. It can explain the difference of total power.
For example, I can reach 130k TP with my best TP team but I'm still under 100k for both of my actual teams.
Oh and Count Vasquez & Mimea, feel free to send me friend request. I still have a lot of free allies slots on DMM.