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...
There was news an immortal cell was
created through genetic manipulation.
كانت هناك أخبار عن أنّه تم صنع
.خلية خالدة خلال التلاعب الجيني
Es kursierten Nachrichten um eine unsterbliche
Zelle, gezüchtet durch Genmanipulation.
Se decía que crearon células 
inmortales mediante manipulación genética.
Si era parlato dell'ideazione di una cellula immortale 
mediante manipolazione genetica.
Surgiram notícias sobre uma célula imortal
criada através de manipulação genética.