ワンダーハッチ -空飛ぶ竜の島-

1 Seasons 8 Episodes 7.4

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 where flying dragons and adventure only exist in high school student Nagi's dreams.