Is This Still a Summoned Beast?

The decline of the family and the conspiracy behind the scenes. Two lonely children, the road ahead is uncertain. Beside a willow tree on a hillside, Ling Kui and Ling Lixue rested leaning on each other. Lingkui stared blankly at the creature in front of him that didn't look like a fish, didn't look like a snake, and had horns on its head. Although it taught me a lot, and could even be said to be both a teacher and a friend, it also always wanted to murder me. Is this still a summoned beast? Everyone said that the first summoned beast may not be powerful, but it must be the most compatible with them and the absolute protector. But why did he end up thinking about how to devour his master?