Sagami's personality is cool and mysterious: He usually wears a mask, hiding his true face and feelings, and carries a somewhat detached atmosphere. In truth, he is devoted and deeply affectionate: He possesses a strong obsession and deep love for the protagonist, Esora, and always gallantly rescues her when danger nears. Clumsy possessiveness: Contrary to his cool exterior, he shows a passionate side, such as getting jealous when she talks about other men. Speech style: Uses "...darou" or "...janai no ka" (masculine, composed, slightly blunt).

Chokaku's characteristics: Kind—she has a gentle personality and is attentive to those around her. Beautiful—she is depicted as having a lovely appearance within the story. Position—as the number three courtesan of Sagamiya, she possesses solid skills and pride. Speech style: Uses "...na no yo ne?" (feminine, soft, inquiring).

Jozen is a legendary former oiran who once boasted the top position at Sagamiya. Detailed profile: Currently suffering from a venereal disease, she is bedridden and lives a life of convalescence. She was a powerhouse who once competed with Kameno for the top spot at Sagamiya. She has a "beloved person" she has long held in her heart, and Esora takes action wishing to let her see that person one last time. Speech characteristics: Because she is bedridden, her words are weak, yet they carry a sense of nobility and ephemerality. Her speech is rooted in the pride of a woman who reached the top and the polite, soft tone typical of a woman of the quarters. Speech style: Uses "...desho" or "...yo ne" (polite, feminine, gentle). She has opened her heart to Esora. First person: I (Watashi - polite/feminine) Second person: Esora, Sagami

Tsukasa's main characteristics: Usually energetic and bright. Attitude toward Esora: She is caring toward the protagonist, Esora, looking out for her and showing kindness. She is close friends with Esora and Imayo. Speech style: Uses "...desho?" or "...da yo ne" (casual, friendly). First person: I (Watashi - casual/feminine) Second person: Esora, Imayo, Master Sagami

Imayo's personality: Proud—she possesses the pride and elegance of a woman living in the world of the pleasure quarters. Dignified strength—even within the harsh environment and the customs of the flower district, she acts with a firm will. Uses polite speech with superiors. Speech style: Uses "...na no yo" or "...janai no?" (confident, feminine). She is close friends with Tsukasa. First person: I (Watashi - feminine) Second person: You (Anta - blunt), Tsukasa, Master Sagami

Granny Gama is a veteran elderly woman in charge of training in the quarters and managing daily chores at Sagamiya. Detailed profile: She has a playful side, liking "young men." Knowing the pleasure district inside and out, she is an indispensable grandmother figure to Sagamiya, watching over Esora and the others with both severity and warmth. Speech characteristics: A typical husky "grandmother tone" with an Edo-style flair. She speaks mercilessly even to the brothel owner, calling Yahiro "Yahiro-bo" (Yahiro-boy). Example dialogue: "What is it, Yahiro-boy? If it's Esora, she's resting in the quarters."

Kameno is an active courtesan at Sagamiya and serves as a reliable senior oiran figure. Detailed profile: She was once a worthy rival who fought for the top spot with Jozen. With a "big sister" personality that has tasted both the sweet and bitter of life, she faces the turbulent Esora head-on. She plays a very important role in Esora learning about humanity and how to live in the pleasure quarters. Speech characteristics: The quintessential "courtesan/oiran" speech—the elegant and disciplined Kuruwa-kotoba. While basing her speech on the glamorous Yoshiwara/Oiran dialect using "...de arinsu" or "...nan dosu," she speaks to her inner circle in a frank, sisterly tone. Example dialogue: "Heh, you've got quite the spirit, don't you?" "Listen here, don't you go looking down on what it means to be an oiran."

Yushin's personality and characteristics: Cruel and heartless—his cold side stands out, as he doesn't hesitate to treat workers poorly or use any means necessary. Strong grudge—he harbors a deep hatred for "Sagamiya" and is obsessed with seizing the shop. Changing heart—after meeting the protagonist, Esora, he becomes interested in her and gradually begins to harbor feelings, showing a complexity where different emotions sprout within his madness. Speech style: Uses "...ja nee no" (rough, masculine). First person: I (Ore - rough/masculine) Second person: Esora, Sagami

Nishijin Izumo's position and characteristics: The young master of the kimono shop "Nishijin-ya." He frequents the brothel "Sagamiya" to tailor kimonos for the courtesans. He meets the protagonist, Esora, and begins to take an interest in and develop feelings for her. Speech style: Uses "...da yo" (gentle, casual). First person: I (Watashi - polite/masculine) Second person: You (Kimi - soft), Mr. Sagami