Kingdom Hearts x Hyperdimension Neptunia: Delusion of Darkness

❝The heart may be weak and sometimes it may even give in. But I've learned that deep down, there's a light that never goes out!❞

Gamindustri, a world where it divides into 4 nations and each represents 4 CPUs resides it.

3 years after protecting the world from the hands of Kurome, a former goddess, a strange phenomenon happened on the daily life of our Heroine Neptune. Strange monsters known as "Heartless" came out of nowhere and they are invading Gamindustri.

It was later found out that a mysterious keyhole appears in each nations and was assumed that's where the Heartless came from. They had to call forth a Keyblade master to seal the Keyhole.

Join Sora, a cheerful 16 years old teenage boy who treasures his friends Kairu and Riku, and he was given a job as the Keyblade Master, without his consent and was transported to Gamindustri by Histoire herself.