Jukuzuma Toushi Claudia Chijoku no Rinkan Kyousei Chitsunai Shasei

Claudia, a former gladiator, throws her body into the underground fighting arena in order to get information about her husband Lukius, who was known as the invincible gladiator.
As a condition for the cooperation of Albino, the owner of the underground fighting arena, Claudia must 'win' while wearing special armor. She then heads alone into the arena to get that information. However, the underground arena is caught up in a storm of sexual desire and big breasted gladiator Claudia is attacked, violated, and humiliated!

[From DLSite English]