Kitaro and Cat-girl investigate a case after receiving a request from a young man who's lover disappeared exactly two weeks ago. Strangely, there have been a number of disappearances in town. Kitaro is convinced that the string of incidents are the work of a youkai. After receiving a warning from Cat-girl, Mana discovers a strange rule in the disappearances. That night, Mana receives a message from Miyabi saying, "help me." Mana races to Miyabi's house and cautiously heads inside...!
The Yokai Cactus' weak spot is
its central stem inside.
نقطة ضعف الصبار اليوكاي هي
.جذره المركزي في داخله
Die Schwachstelle des Yōkai-Kaktus
ist sein Stiel im Inneren.
La debilidad del cactus es el tallo.
La debilidad del cactus es el tallo.
Le point faible de l’esprit,
c’est son pédoncule central.
Il punto debole dello yōkai cactus 
è lo stelo interno centrale.
O ponto fraco do cacto
Yokai é o tronco central.
Слабое место ёкая-кактуса — 
главный стебель внутри него.