After cleaning wooyoung was ready to study but someone knocked the door it was three tall men wooyoung said "Hello?" then one of them said "Hi we are neighbors we just decide to knock your door to ask if you need any thing??" woo said with a smile "No thanks i'm fine" then he said "By the way i'm khun ... Nichkhn" and the other guy said "And i'm teac Teacyeon" And the third guy said "Hey i'm Chansung you can call me Chan" then wooyoung said " Ooh i'm wooyoung" Khun said "Nice to meet you wooyoung" woo said "Yeah you too" Khun said "We are neighbors so if you need anything call us ,Bye" wooyoung said "Bye"