Kai Gari Maki No 5 (Kadokawa Tsubasa Bunko)

[Machine Translation] A junior high school student was attacked by a mysterious man and woman in Misuri City. The blue-faced, dizzy-walking figure was... Zombies! If nothing is done, the whole town will be covered in zombies! Yuuki and Hashin, along with their new friend Pooka, travel back in time to "hunt monsters". However, the "monsters" there are acting strangely. Could it be that the evil demon's power is getting stronger? Furthermore, the evil demon is working on "a certain person", and Hashin is under its evil influence...! The most dangerous adventure by the new buddies, the biggest crisis! From elementary school intermediate level.

見捨里市で、中学生が謎の男女に襲われた。青色の顔をして、フラフラと歩く正体は...ゾンビ!?このままでは、町中がゾンビだらけになってしまう!勇気と羽心は、新たな仲間プーカとともに、『怪狩り』をするために、時空を超える。だが、そこにいた“怪”の様子がおかしい。もしかして、邪鬼の力が強まっているのか!?さらに、邪鬼が“ある人物”に働きかけ、羽心に魔の手がしのびよる―!新バディによる最凶アドベンチャー、最大の危機!!小学中級から。