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...
It's faint, but his love as a father
still remains.
على الرغم من أنّه خافت، إلّا أنّ
.حبه كأب لا يزال موجودًا
Sie ist nur schwach zu spüren,
aber seine Liebe für seine Tochter ist noch da.
Le queda algo de su amor de padre.
Le queda algo de su amor de padre.
Il lui reste une faible lueur
de son amour paternel.
A malapena, ma in lui rimane ancora
 dell'amore paterno...
É pouco, mas este amor
de pai e filha ainda existe.
Хоть и слабая,
но любовь к дочери осталась.