Kage No Jitsuryokusha Ni Naritakute! Episode 9 -

: Shadow corners the leader of the imposters, Lutheran Barnett (Sherry's adoptive father). During their confrontation, Lutheran reveals he was the one who murdered Sherry's mother years ago to steal her research.

Lutheran Barnett is revealed as the "Gaunt Knight" and the killer of Sherry's mother Kage no Jitsuryokusha ni Naritakute! Episode 9

Shadow is labeled a public enemy of the kingdom for "mass murder" and arson Kage no Jitsuryokusha ni Naritakute! - Episode 9 Discussion : Shadow corners the leader of the imposters,

: Shadow executes Lutheran using the exact same methods Lutheran used to kill Sherry's mother—stabbing him in the limbs before delivering the final blow. Kage no Jitsuryokusha ni Naritakute! Episode 9