Collectible Creatures with a Twist. Kuroba is a new way to play rock, paper, scissors! Select your play strategy and battle with your friends or train with your own practice cube! Cover your ears lest you be put under the spell of the hypnotic lullaby of the Lullacry. Once under their spell you'll be blissfully unaware as they defeat you in battle. Lullacry looks sweet and gentle on the surface but is a clever Night Kuro. Cover your ears lest you be put under the spell of the hypnotic lullaby of the Lullacry. Once under their spell you'll be blissfully unaware as they defeat you in battle. Lullacry looks sweet and gentle on the surface but is a clever Night Kuro. Sing their opponents to sleep. In battle they can expand into huge moving shadows. Any shape you can imagine.