Help - looking for a got7 story

Hi,
so I've been trying to find this fanfic that I read a while back but I can't seem to find it as I don't remember the author or title so I was wondering if someone could help me find it.
From what I remember it started by talking about a little boy who lived with his parents but they were always on the run from the government because of something that the boy had, the family gets trapped and the mom and dad are killed with the boy being taken away crying for his mom by the government to experiment on. Time skips to years later, the boy is a teenager (or something like that) he is quiet and emotionless but hes caring towards a boy and girl (siblings) that were captured sometime after him that he takes care of. All of a sudden there is some kind of chaos where a group of guys come to free everyone from the facility and they get transported to a underground city (?). The boy (mark) is in a park when the underground city comes under attack but gets saved by jackson as the rest of got7 get everyone in the underground city out through some kind of pathway to wards another safe area. The last thing i remember is that mark tells them (got7) that he's been experimented on and that he doesn't have much longer to live as well as he's a angel that can't fly( he also brings out his wings that are covered with blood(?)) due to the experiments the government did to him.

Also I don't quite remember which site I read it on....I think i might of read it on this site....
No discussions yet