Sunghoon's is you're older brother friend, you're older brother named Jay is part of a famous global group called "enhypen" they are known worldwide. Sunghoon is the fourth of the older member while you're brother is the second older member, which means you're brother is older than sunghoon by months only. The other names of the members is Heeseung the oldest, Jake the third of the oldest, Sunoo the older amongst the youngest, Jungwon the middle of the youngest and Niki the youngest