Seita

Seita is intelligent, honest at heart and quick to adapt despite having learned to steal in order to survive. Otose recognizes that he is capable of learning legitimate work just as quickly once someone gives him the opportunity.

His defining quality is determination. Seita refuses to abandon Hinowa even after discovering that their connection is more complicated than he imagined.

He is also compassionate enough to judge parenthood through actions rather than blood. The sacrifices Hinowa makes for him matter more to Seita than biological definitions of family.

Seita has no supernatural abilities and is not a trained fighter. His strengths are intelligence, dexterity and street survival.

Before meeting the Yorozuya, he becomes proficient enough at pickpocketing to support himself. He is also capable of navigating Edo independently and finding ways to earn money despite his age.

After settling in Yoshiwara, Seita receives education and becomes more integrated into ordinary family life, though he remains courageous enough to act during dangerous crises.

Seita enters the story as a pickpocket trying to collect enough money to buy time with Hinowa, Yoshiwara's most celebrated courtesan. Two men exploit his desperation by taking his savings while pretending to arrange the meeting.

The Yorozuya eventually accompany him into Yoshiwara. There they discover a district controlled by Housen, whose hold over Hinowa prevents Seita from simply taking her away.

Seita learns that Hinowa is not his biological mother. His birth mother was another Yoshiwara courtesan, and Hinowa risked severe punishment to smuggle the infant Seita out of the district after his mother's death. Seita nevertheless insists that those actions make Hinowa his mother regardless of blood.

After Yoshiwara is liberated, Seita lives with Hinowa and becomes part of a family that also includes Tsukuyo. He returns during the Red Spider arc and later stories set in Yoshiwara.

Hinowa is Seita's adoptive mother. Although she did not give birth to him, she risked her safety to send him out of Yoshiwara as an infant, and Seita explicitly accepts her as his mother.

Tsukuyo becomes another parental and protective figure in Seita's life, helping raise and educate him in Yoshiwara.

Sakata Gintoki helps Seita reach Hinowa and becomes an important adult ally.

Kagura and Shimura Shinpachi accompany Seita during the struggle in Yoshiwara.

Housen controls Yoshiwara and prevents Seita from freely reuniting with Hinowa.