Yuki Masuda

A ninja must serve a lord, and Recca Hanabishi has sworn to serve the person who can defeat him in battle. But despite his martial prowess, penchant for traps, and his family's fireworks, his battles amount to little more than schoolyard brawls.

When Sakura arrives to fight with the Imperial Floral Division, she's in for a shock. She accidentally stumbles into a room containing the group's Koubu, their spirit powered mecha's, and they react unexpectedly to her enormous untapped power.

In 2040, the continuous pollution and the mysterious series of earthquakes left the city of Tokyo in ruins. A young man named Ken Ando is in training to become a member of DC, an army-like organization designed to investigate and protect the collapsing environment. When a monster suddenly appears from the sky and starts mowing down DC's robots, Ken engages in a battle with the monster.