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...
Until recent years, I was at a university
frontier medical sciences institute,
حتّى قبل بضع سنوات، كنت أعمل
،لدى معهد علوم طبيّة رائدة في إحدى الجامعات
Bis vor einigen Jahren war ich ein führender
Wissenschaftler an einer staatlichen Medizin-Universität
Hasta hace poco estudiaba medicina 
regenerativa en una universidad nacional.
Hasta hace poco estudiaba medicina
regenerativa en la universidad nacional.
Il y a encore quelques années,
Fino a pochi anni fa, presso il centro ricerche 
sulla medicina rigenerativa di una certa università statale,
Até alguns anos, eu era do instituto de
medicina de ponta da universidade,
Недавно я работал в пограничном 
университете медицинских наук.