In town, blood-sucking incidents are growing frequent. As Kitaro investigates, he receives a letter. The sender wants to be killed. Kitaro goes to visit the sender and meets Onozaki, a genetics researcher. Onozaki has created immortal cells and conducted an experiment where he injected himself with them. As a result, he has obtained an immortal body and also turned into a youkai. When he transformed into a youkai, he lost control and went seeking blood. All the recent blood-sucking incidents were Onozaki's doing. Because of the immortal cells, Onozaki can't kill himself, so he begs Kitaro to kill him, but...
I was thinking about the girl with Mana.
.كنت أفكر بالفتاة التي كانت مع مانا
Das Mädel, das mit Mana unterwegs war,
geht mir nicht aus dem Kopf.
Me llamó la atención la 
chica que acompañaba a Mana.
Me llamó la atención
la chica que acompañaba a Mana.
Je repensais à la fille
qui traînait avec Mana.
Stavo pensando alla ragazza che era insieme a Mana.
Eu estava pensando sobre a
garota que estava com a Mana.
Я вот думал насчёт девочки, 
что была с Маной.