Where Jimin requested Taehyung's help as a spy or a stalker.   And his task was just as simple as it can be.To gather the information he needs in his own way.   But little did he know that the "stalking thing" was a plan behind the mask whose name were Jimin and Jin for him.  

Taehyung is an exchange student that came from America he can't understand any word when he was sent to Korea. He tried learning the language of Korea through books, paid lessons but he can't really speak through his American accent no one can even understand whenever he tries to speak in Korean. He can write in Hangul but not orally So he pretended to be deaf the whole years he is to be in College Would someone know?