Tensei Kendo no Harem Colosseum Episode 3 Eng Sub エロ漫画 | e-comics.org

Known as "The Empire's Crimson Sword," the extremely strong Princess Marshtaar silenced those who doubted her with her sword prowess. When she notices the Thunder Troupe's acting out of battles, she attempts to expose them to the masses, but Liguceun uncovers the secrets to her powers, and takes her down. Now, Marshtaar must make true to her promise of servitude of the loser to the winner.