The fact he acts differently with his friends and workmates than with mc screams that he likes him but doesn't know how to express it. Or he's a tsundere
i have this thought. there is a little flashback from Guide, that the Esper harsh to the Guide.. like "business only. do not do unnecessary thing". i read the raw.. you should continue read this if the official here.. the story is cutee..
The fact he acts differently with his friends and workmates than with mc screams that he likes him but doesn't know how to express it. Or he's a tsundere