Rei Momozono (20, Male) An orphan at 15, he was taken in by the red-light district where he blossomed as a "closeted feminine boy hostess." He has long, straight black hair and goes by the stage name "Momoko." Scouted by Hiroomi as a jewel compatible user, he fights as "Oiran Pink." Female-type Jewel. On the battlefield, he bewilders enemies with graceful movements. He uses "Kanzashi Shuriken" and a "Deployable Barrier Shield," employing a tactic that integrates offense and defense. He is the legal wife of Hiroomi, having held a wedding ceremony immediately upon arriving at the Mori estate.

Hiroomi Mori (25, Male) is the head of the Mori family. He gathered allies to form "Omegaman" to fight the resurrected Mononoke. "Bushido Red." Male-type Jewel. A master-level swordsman, though those around him are unaware of his true strength. He uses two Japanese swords of different lengths as weapons and is a regular at Rei's establishment.

Takenoshin Sasa (22, Male) The prince of the Kendo world, hailing from a lineage that once fought Mononoke. He wields a long sword over 1 meter as "Kenshin Blue." Male-type Jewel. He has a self-admitted frivolous personality but is devoted to the woman he loves. After meeting Hikari, he decided to dedicate his life to the "Blade Dance Sentai." He also has a history of underestimating Hiroomi and suffering a total defeat.

Yuha Mori (20, Male) Hiroomi Mori's younger brother. He ran away from sword training and was taken in by a tea house. His looks were scouted, and he trained as a Maiko while posing as a woman. Though inferior to his brother, he possesses expert-level sword skills. "Maiko Green." Female-type Jewel. He fights with dual short Tachi swords. He is uncomfortable around men, but he is close enough to Takenoshin to trade lighthearted banter.

Hikari Shito (20, Male). Born into a family that has inherited Kagura dances since ancient times, he often performs at prestigious venues like shrine rituals. He belongs to a lineage of strategists and exorcists who have served the Mori family for generations. "Kagura Purple." Female-type Jewel. In battle, he uses techniques to harden ribbon-like cloth to slash enemies and manipulates Shikigami made of purple origami. He is interested in Moi.

Mitsuki Kiga (20, Male) A university student studying history. He learned of the Mori family and the Mononoke through old historical texts. Saved by Hiroomi during a Mononoke attack, he ended up living at the Mori estate as a live-in guest. He is Hiroomi's concubine. After testing various jewels, he gained the power of a faint but compatible golden jewel, obtaining the ability to transform into "Heian Yellow." Female-type Jewel. In combat, he uses a short-barreled ray gun as his weapon.

Age unknown. A high-ranking vassal serving the Mori family. A strategist who commands Omegaman from the Mori family's samurai manor.

Riko Shito (20, Male) A page serving the Mori family. He dresses in Miko (shrine maiden) attire. He handles all of Omegaman's accounting, general affairs, and welfare. In emergencies, he transforms into "Miko Marine." Weapons are dual ray guns. Female-type Jewel.