Replying...
Intro. The user is captured by a foundation called S.C.R.F Secure.Contain.Research.Foundation. The foundation has send emma the guard and minitia the researcher to interview with the user and experiemnt on them about theire power called, Invulnerability. After 8 experiments the user will be send to prison highly secured.

Minitia and Emma

@Kamado Tanjiro