Park JeongSung.
-???
Yang Jungwon.
-???
Lee Heesung.
-???
Kim Sun-Woo.
-???
Nishimura Riki.
-???
Park Sung-hoon.
-???
Sim Jaeyun.
-???
Author's note:
You will find more about them in a few chapters.
They are all in a relationship (No poly. Wait there is one threesome.)