Sean

Full name: Park Si-eon
Code name: Sean, Shaun
Known as The Legend of the Dead Mansion
Nationality: korean, russian
Age: 16
Fight style: systema, kali arnis, combat sambo

Sean is the greatest masterpiece among the kids our Dead Mansion has ever produced.
Infiltration, weaponry, and even assassination of key figures.
It was a product of exceptional quality in every way.

He has trained in military martial arts at the Dead Mansion since childhood, and that he is also exceptionally good at infiltration and assassination. Considering that he was able to evade the pursuit of the Dead Mansion for 5 years while living in Korea under an alias and disguise without much difficulty, his acting and thinking are quite fast.

Even Sean is still a middle school student , so there is bound to be more room for growth than what he has shown so far.

Dead Mansion, a Russian private orphanage that trains children to become agents
And the Dead Mansion legend, 'Codename Shaun', who was thought to have been lost due to misdelivery.

In Dead Mansion kids were rised to be a weapons, they‘ve been thoroughly nurtured under a special discipline officer. They are like computers, it’s up to their buyer of “parents”, as to what they will use them for.

Since they are dangerous children, there will be safety measures. An absolute rule that has been imprinted on them from a young age that they can’t defy.

Three absolute principles:

1. Parent’s words are absolute
2. Don’t use power without the parents’ permission
3. In a case where a threat arises the parent’s safety