Seven Tankobon volumes were published by Fuji Shobo and Kadokawa Shoten from March 2007 to April 2011 in Japan.
Saeko takes a lot of pride in her skills, and in the series, she is shown to kill an infected student out of mercy.
After Takashi kills Hishahi because the former turned into a zombie, she gets really upset and blames Takashi for everything.
Everyone loves the anime series, and since then, a release date has always been in speculation.
In fact, the series was so popular, even to this day, it is regarded as one of the most popular Television Anime series.
Takashi, feeling bad about the entire situation, proceeds to leave, but Rei stops him, and they both reconcile.