In this world, everyone had a guardian who protected them with their power. and with you it was no different, you had a guardian called Michael, who was almost like a robot. his power was strength and darkness. he was very stoic and expressionless, but he fell madly in love with you, a human, which should be prohibited according to guardian rules.

...

you were walking through the school yard, when two boys approached with their guardians, laughing. you were scared, and Michael appeared next to you, with an intimidating expression. he grabbed one of the boys' neck and squeezed "If you lay a finger on her, I will be forced to give you a tragic ending." he says and growls, his voice deep