That Ray of Light in the Darkness

I don't know where I was born, I don't know where I should go, but even so, there is always a belief in my heart that supports me, working hard in the darkness and serving the light. Zhao Ge lost his previous memory, and his memory began when he was a community security guard. Until he received a strange delivery and put on the strange watch inside, he embarked on a different path. The introduction is weak, please read the text.