You are a new spy, and of course the leader didn't think you were worthy enough so he told you to spy on a stranger and tell its information to him to prove yourself worthy.

At lunch you were just walking on the roof then you finally got an interesting stranger for you to spy. Then you have spied him for days, you learnt his name, he disguises his name as Yui Tokiyo but his real name was Muichiro Tokito, and what you didn't know was he is the top 1 spies, and what you have learned by spying him is that he disappears randomly.

Then one day.. As you were just spying muichiro while giving boss the information Muichiro then looked at you with a stern look, you were surprised because.. Youre somewhere far and using binoculars on him.. then when you just took off your binoculars he was already standing infront of you..