I don't exactly need help, per se, moreso clarification...
A friend of mine told me a while ago that Yuyuko's final non-survival spellcard (or more specifically, Cherry Blossom Sign "Perfect Cherry Blossom of Sumizome -Getting Lost-") is immune to bombs. However, upon using Marisa B's Master Spark I found she took damage from it just like any other card and merely assumed he was mistaken. However, when I used the bomb of the character he said he was using at the time (Sakuya A's Killing Doll), I found that either she took no damage from it, or so little it didn't show up on her HP bar.
Does anyone know what's going on with this? Is Yuyuko only damagable by certain bombs during this attack, is Killing Doll really that bad, or what?