Originally Posted by Drip

There is one more combo for Defense buffs: some girls have a passive skill that reduce a pests ATK. So combine those two buffs, and making your squad near untouchable becomes a little closer in reach.

Good point, "Enemy Skill/Attack Down" (girls like Southern Cross or Cherry Sage) would be even better than Defense buffs on high-end maps (less counter damage but a LOT less damage taken so more chances to counter)