A side story of the 100+ volume novel series. After awaking in a forest with a leopard mask attached to his head and no memory of his past, the peerless warrior Guin survives the treacherous wilds of Nospherus and the mean intrigues of the Middle Country. Now, as King of Cheironia, he must contend with dark forces that dare to prey on his realm. In this three-volume series, King Guin must battle a plague made manifest and controlled by hostile magic. But even if our mighty hero vanquishes the Black Plague, how will he ever defeat the combined forces of powerful magi? (Source: Kodansha USA)

The terrifying manga based on the hit video game! Nobu is a troubled teenager with a dark past. His old high school was sucked into the Underworld, where he and his fellow students battled hordes of demons led by the Demon Lord, Hazama. However, Nobu and a demon-possessed girl named Yumi managed to claw their way back to the Surface World, hoping to start new lives at new schools. But it isn't long before Nobu uncovers a government conspiracy to raise Hell on Earth, and he and Yumi are once again forced to face their worst nightmares... (Source: TOKYOPOP)

Based on the video game "Shin Megami Tensei: if..." for the Super Famicon (later ported to the Sony PlayStation). "Shin Megami Tensei: if..." is about Karukozaka High School which, along with the students and staff, is magically transported to the realm of Makai: the demon world.