Light Novel Other Size Tamer won't give up. (3) AlphaPolis

Product description ※Please note that product information is not in full comprehensive meaning because of the machine translation.

Lufthansa is a fallen Tamer who can only carry a weak monster. However, he has overcome many difficulties with many 従魔, and he has been asked by the guild to search for an unexplored region. Around the end of the year, the deadline for the search, Lufthansa encounters a person who knows the secret of his memory that he has lost. This encounter may have been a trigger for something, and a series of unexpected events come down on him. It was a Lufthansa who had to fight a fierce battle with a new dragon and break up with his beloved 従魔. It was a tough phase, and a powerful group of demons and phantom dinosaurs came together with him?