Today,when I open my twitter and I saw a picture of boys republic without sungjun with a boy and the boy looks familiar(beside OneJunn)

He's also the one who upload the pic on twitter,since I'm curious,I click his profile and suddenly I remembered who he is....

He's the one whose phone wallpaper is Naeun

It was revealed by Mir on NamGam School 2!

And if you see his twitter/profile.....

He retweet 2 pics of Naeun

He also followed Naeun on Twitter and APink Official Twitter~Also Eunji & Hayoung

Here is his account = https://twitter.com/sckimpop