A hundred years after the Harmony's Warriors have been defeated by a powerful enemy. NEIGHS has closed down and there are no more heroes to protect the weak and defenseless. However in the small nation of Japony, a group of descendents of samurai ponies protect ponies of their nation from giant monsters called kaiju. One day a mysterious meteor crashes outside the city of Tokyoal. The being that crashed is in need of a host. But is it good or evil?