Sylph, the wind spirit in Yuno's grimoire, saves him from being sent miles away from the capital with the other knights, so he finds himself alone, facing a witch with the power to take away people's vitality and senses o.o You gotta rely on your ability to sense mana, my boy!! Meanwhile, it's revealed that Daddy Vermillion is the real target of the attack D:
(Yes, I know he's a cousin....that's not what I meant XD)