Kim Yohan

Kim Yohan is Wooseok's Alpha brother whose admission document got mixed up when they submitted for the 101th Ingress together. He ended up in the ministry that was originally chosen by Wooseok, the Ministry of Health.

Background
He graduated form the National University's School of Engineering. Originally applied for the Ministry of Defence, but got accepted into the Ministry of Health which is still within the area of their house in Sector 4.

He is one of the members of "anti senam kebugaran rt/rw/kelurahan" along with his brother and the Alpha Twins.

Kim Wooseok
Yohan is Wooseok's younger brother, often found bickering with his brother. He calls his older brother 'Omega' when he feels irked. He is the one that Wooseok trusts the most. They keep each other's secrets.

Major Lee Jinhyuk
Yohan has been a huge fan of Jinhyuk ever since the Major came to light after his graduation as the number one Alpha in the National Military Academy. He couldn't believe when he found out that his brother was partnered up with the man when Wooseok got into the Ministry of Defence. They are now soon-to-be in-laws.