CESTVS -The Roman Fighter- - Season 1 - Eps 3: The Boxing Dogs
Sabina, daughter of a wealthy family of Pompeii, orders Cestvs to fight some thugs in the city. After realizing his own powerlessness, he asks Zafar to teach him how to throw a single knockout punch. Sabina offers to purchase Cestvs, but he rejects her offer, saying he wants to buy himself back on his own. Offended by his rejection, Sabina instructs Emden to thoroughly beat him in a boxing match. Emden agrees. He and Sabina have made a promise that will be fulfilled once he completes his undefeated record.
About CESTVS -The Roman Fighter-

Title: CESTVS -The Roman Fighter-
First Air Date: 2021-04-15
Last Air Date: 2021-06-24
Status: Ended
Rating: 7.4/10 (from 44 votes)
Language: JA
Seasons: 1
Total Episodes: 11
Network: Fuji TV
Genres: Animation, Drama, Action & Adventure
Production Companies: Bandai Namco Pictures
Synopsis
Cestvs enters his first match at the slave gladiator training school. Though he's bewildered to discover that his opponent is his best friend, he wins the match, and his opponent is killed on the spot. According to his instructor Zafar, losers have no future. "Every time you win, your opponent will die. You're practically a murderer!" With all his sorrow and rage clenched in his fists, Cestvs survives, as one after another powerful opponents stand in his way, as well as the shadow of Nero, fifth emperor of the Roman Empire. With no other way to secure his freedom, can Cestvs seize his future?!
Cast

Hiromu Mineta
Cestvs (voice)

Rikiya Koyama
Zafar (voice)

Kensho Ono
Ruska (voice)

Hiroki Touchi
Demitrius (voice)

Yuto Uemura
Nero (voice)

Kikuko Inoue
Agrippina (voice)

Aya Endo
Sabina (voice)

Ryota Takeuchi
Emden (voice)

Sanae Kobayashi
Roxanne (voice)

Akio Otsuka
Narrator (voice)