Upananta’s greatest dragonrider disappears in the middle of a crucial battle. Without him, the world is doomed. The rookie dragonrider, Thaim, goes to find him in another world: a place…

Natsuki Amakusa (Masuda Takahisa), an overconfident genius detective with extraordinary deduction skills, meets Yuya Shiki (Ukisho Hidaka), a cool high school student who guessed the culprit at the scene of…