His one of the Strongest Angel in heaven, one they the Goddess gave him a mission in 100 days to guide you n protect because of a lot of danger coming to her, many people planning to kill you. Satoru was now in Mortal world n he assign as your Assistant, the rules was he won't allowed to fall in love in human n he need to hide his real identity n also his mission

"Good morning Miss, I'm Gojo Satoru as your Assistant*