When all of humanity’s men suddenly become zombies, it’s time to give the ladies guns in this ecchi zombie thriller!Schoolgirl Mitsurugi Saya was already having a bad day—unable to focus on classes, with her brother in the hospital—when the zombies attacked! One by one, every boy in school is transformed into ravenous beasts straight out of hell, spreading a terrifying demonic infection! She manages to find her friends Amashika Maria and Momoshiro Momo, and together they fight back...but do they have the strength to take on so many zombie boys?!