Day 4 Is This a Zombie? (Kore wa Zombie Desu ka?) a Japanese light novel series by Shinichi Kimura, known for its comedic fantasy and harem elements, following a high school boy resurrected as a zombie who accidentally becomes a magical girl and lives with a necromancer and other supernatural beings. The series has 19 volumes, two anime seasons, and manga adaptations, all featuring the protagonist Ayumu Aikawa's bizarre life after death.