Matsuri Saegusa is a middle school student and one of the main characters in the anime Kamichu!. She lives in the port city of Onomichi and is the eldest daughter of the family that runs the Raifuku Shrine, where she serves as a shrine maiden alongside her younger sister, Miko. Her name means worship, reflecting her close connection to Shinto traditions.

Matsuri has a lively, energetic, and somewhat assertive personality. She is quick to take initiative and often comes up with schemes to raise money for her family’s shrine, which is perpetually short of funds. This practical, entrepreneurial streak leads her to act as a self‑appointed manager for her friend Yurie Hitotsubashi after Yurie suddenly becomes a goddess. Matsuri sees Yurie’s divine status as an opportunity to attract visitors and donations, and she repeatedly tries to monetize Yurie’s powers. Despite this mercenary attitude, she is not unkind: she genuinely cares about her family and friends, and her motivation for seeking money is rooted in a desire to ease the burden on her widowed father and her sister.

Matsuri is deeply devoted to Shinto beliefs. When a foreign holiday like Christmas threatens to overshadow local traditions, she passionately organizes an alternative celebration called Yurie‑chan Thanksgiving Day. Her religiosity is sincere, but it is also pragmatic – she uses it to promote the shrine and support Yurie’s role as a local deity.

One of Matsuri’s defining traits is her inability to see spirits or gods directly. Unlike her sister Miko, who has strong spiritual sight, Matsuri requires special protective charms written by Yurie to perceive the supernatural world. This limitation does not diminish her enthusiasm; she remains a key connector between the human and divine realms, often acting as the bridge for Yurie’s divine duties.

Matsuri’s role in the story is that of a catalyst and organizer. She is the one who first tries to help Yurie understand what kind of god she has become, and she persistently encourages Yurie to use her powers for the shrine’s benefit. She also pushes Yurie into activities such as running for student council president, turning mundane school life into opportunities for divine marketing. At the same time, she serves as a grounding influence, reminding Yurie of the responsibilities that come with being a goddess.

Her key relationships include her close friendship with Yurie, which she regards as a soul‑friend bond; her supportive but sometimes exasperated friendship with the more level‑headed Mitsue Shijo; and her loving but occasionally overprotective relationship with her little sister Miko. When Miko runs away in a moment of distress, Matsuri becomes unusually flustered and anxious, showing how deeply she values her family.

Over the course of the story, Matsuri’s character develops subtly. Her initial focus on profit and self‑interest softens as she becomes more attuned to Yurie’s genuine kindness and the needs of the people around her. She learns that being a manager is not just about revenue but also about true friendship and support. Her own spiritual blindness also becomes a point of growth, as she accepts that she can serve the shrine and the divine without having to see the gods herself.

Notable abilities include her practical knowledge of Shinto rituals and shrine management, her persuasive and organizational skills, and her ability to mobilize events and people. While she lacks supernatural powers, her determination and resourcefulness make her indispensable to Yurie’s journey as a goddess. Matsuri’s name, her family’s shrine, and her unwavering loyalty to both tradition and her friends define her place in the gentle, slice‑of‑life world of Kamichu!.