Simon Blackquill

The Twisted Samurai
A prosecutor who used intimidation tactics to get answers in the courtroom. He was incarcerated after commiting a crime.

The Dark Web Rumble
After being released, he joined TDKR to cleanse his name in the ring.

Episode 4
Defeats a young defense attorney.

Episode 5
Tries to prove Japan is superior to America, loses to freedums.

Season 7
Now he fights for something more important than his innocence: The integrity of Japan.

Episode 6
While reading Houseki no Kuni, Vergil shows up to criticize such a casual series and proclaims his superior taste of reading a hidden gem known as Chainsaw Man and it's kafkaesque writing.

Episode 7
Fights Gale to advance in the tournament qualifiers but loses.

Episode 8
However, qualifies in the last chance match.

Episode 9
Before Vergil engages his "other self", Blackquill requests to take the fight as V has said the great offence that Manga has nothing on old poetry. Vergil concedes, and even adds that were him to win, hell read the manga he mocked before.