Hour of the Zombie Vol. 4 (manga)
Zombies are running amok in the gym! Houjou tries to wipe them out, deceiving Igarashi, who trusted him after discovering his girlfriend, Himehana, was among the walking dead. Just as the infected students' rage towards Houjoi reaches its peak, the zombified Himehana kisses Houjou's lips and bites them. Will her kiss bring life or death to the student council president?