Nanami Hoshino, a wealthy entrepreneur, marries potter Kim Jun-ho, and they both live a seemingly happy life until Nanami is killed by a biker on her way home. Now a ghost whose presence cannot be seen, she realizes that her death was no coincidence and seeks help from the elderly psychic Unten in hopes of saving Jun-ho's life.

The timid, young Asuka is bullied by her classmates. When they embark on a class field trip to Korea, Asuka plans revenge by sending them a cursed phone message they can either pass on or die.

Fairy Fantasia is the first Japanese fan meeting held by Kep1er. It was held on October 27 and 28, 2023 offline at Tokyo Garden Theater.