Originally Posted by Kotono

Your SED is in fact the total combined of all the girls you have.

It can get multiplied with slayer cards. And your attacks vary based on the attack you use. 1 focus does anywhere in the 10%-20% range. 6 focus is a guaranteed 100%.

Ye , i've noticed now. I just expected with all those cards to have more SED. I guess , i need to level up cards