Adventurer Hakura is saved at death’s doorstep by a young lady named Leen. Little does he know that she has the rare power to tame any monster! What has drawn these two together, and what adventures await this unlikely pair?

Japan has fallen apart and unknown enemies from a world of fantasy and magic threaten to eradicate Earth. It’s now up to Yu Ichinose and a mysterious elf girl to be the nation’s last hope.