# A Tale of the Secret Saint

A Tale of the Secret Saint (転生した大聖女は、聖女であることをひた隠す, Tensei Shita Daiseijo wa, Seijo de Aru Koto o Hitakakusu) is a Japanese light novel series written by Touya and illustrated by chibi. It initially began serialization on the user-generated novel publishing site Shōsetsuka ni Narō in January 2019. It was later acquired by Earth Star Entertainment who began publishing under their Earth Star Entertainment light novel imprint in June 2019. A manga adaptation illustrated by Mahito Aobe began serialization on Earth Star Entertainment's Comic Earth Star manga website in December 2019. An anime television series adaptation has been announced.

## Premise

Fia, who is aiming to be a knight in a family of knights, remembers her previous life as the "Great Saint" when she was on the verge of dying. The Saint is currently a highly important and respected position because humanity's on the verge of extinction. The holy power she can use happens to be the "lost magic" of myths.
In her previous life, she was threatened by the Demon King's right hand , saying "I'll kill you if you reborn as a saint". Trying to love the simple life of a knight while hiding she is the Grand Saint, Fia ponders "If I use such a power, will we be caught and killed once again..."

## Characters
### Fia Ruud (フィーア・ルード, Fīa Rūdo)

    Voiced by: Shion Wakayama
    The reincarnation of the Saint who helped her hero brother slay the Demon King. After she ran out of mana, her brother ditched her and left Fia to die. She was unfairly tortured for the Demon King's death; despite only having a support skill.

### Zavilia (ザビリア, Zabiria)

    Voiced by: Shinnosuke Tokudome

### Saviz Nav (サヴィス・ナーヴ, Sabizu Nābu)

    Voiced by: Yūichirō Umehara

### Cyril Sutherland (シリル・サザランド, Shiriru Sazarando)

    Voiced by: Nobunaga Shimazaki

### Unnamed Demon

    The right hand man of the Demon King. Unable to find the hero who killed his master, he took out his anger on the dying healer. Because of this, she refuses to use her healing powers as Fia.

## Media
### Light novel

Written by Touya, A Tale of the Secret Saint began serialization on the user-generated novel publishing website Shōsetsuka ni Narō on January 6, 2019. It was later acquired by Earth Star Entertainment who began releasing it with illustrations by chibi under their Earth Star Novel imprint on June 15, 2019. Eleven volumes have been released as of March 14, 2025.
In September 2020, Seven Seas Entertainment announced that they licensed the novels for English publication.
A spin-off light novel series, titled A Tale of the Secret Saint ZERO, began publication on July 15, 2022. Five volumes have been released as of December 18, 2024.
In May 2024, Seven Seas Entertainment announced that they also licensed the spin-off series.

#### Volumes

| No. | Original release date | Original ISBN | North American release date | North American ISBN |
| 1 | June 15, 2019 | 978-4-8030-1306-1 | September 9, 2021 (digital) November 2, 2021 (print) | 978-1-64827-646-0 |
| 2 | November 15, 2019 | 978-4-8030-1360-3 | March 17, 2022 (digital) April 12, 2022 (print) | 978-1-64827-647-7 |
| 3 | May 15, 2020 | 978-4-8030-1419-8 | June 2, 2022 (digital) July 26, 2022 (print) | 978-1-63858-181-9 |
| 4 | December 16, 2020 | 978-4-8030-1476-1 | December 1, 2022 (digital) December 27, 2022 (print) | 978-1-63858-336-3 |
| 5 | May 15, 2021 | 978-4-8030-1522-5 | October 19, 2023 (digital) December 19, 2023 (print) | 978-1-63858-761-3 |
| 6 | December 15, 2021 | 978-4-8030-1594-2 | October 1, 2024 (print) | 978-1-68579-642-6 |
| 7 | August 18, 2022 | 978-4-8030-1683-3 | December 17, 2024 (print) | 979-8-88843-676-9 |
| 8 | February 15, 2023 | 978-4-8030-1747-2 | July 29, 2025 (print) | 979-8-89373-021-0 |
| 9 | October 18, 2023 | 978-4-8030-1851-6 | — | — |
| 10 | June 14, 2024 | 978-4-8030-1961-2 | — | — |
| 11 | March 14, 2025 | 978-4-8030-2095-3 978-4-8030-2096-0 (SE) | — | — |

#### A Tale of the Secret Saint ZERO

| No. | Original release date | Original ISBN | North American release date | North American ISBN |
| 1 | July 15, 2022 | 978-4-8030-1670-3 | November 28, 2024 (digital) December 31, 2024 (print) | 979-8-89160-741-5 |
| 2 | February 15, 2023 | 978-4-8030-1746-5 | May 6, 2025 (print) | 979-8-89160-945-7 |
| 3 | August 18, 2023 | 978-4-8030-1825-7 | — | — |
| 4 | March 15, 2024 | 978-4-8030-1922-3 | — | — |
| 5 | December 18, 2024 | 978-4-8030-2049-6 | — | — |

### Manga

A manga adaptation illustrated by Mahito Aobe began serialization on Earth Star Entertainment's Comic Earth Star manga website on December 19, 2019. The manga's chapters have been compiled into twelve tankōbon volumes as of March 12, 2025.
In September 2020, Seven Seas Entertainment also announced that they licensed the manga adaptation for English publication.
A manga adaptation of the A Tale of the Secret Saint ZERO spin-off series illustrated by Shiina began serialization on October 19, 2023. Its chapters have been compiled into three tankōbon volumes as of March 12, 2025.

#### Volumes

| No. | Original release date | Original ISBN | North American release date | North American ISBN |
| 1 | April 11, 2020 | 978-4-8030-1408-2 | November 30, 2021 | 978-1-64827-342-1 |
| 2 | September 12, 2020 | 978-4-8030-1446-4 | February 15, 2022 | 978-1-63858-104-8 |
| 3 | February 12, 2021 | 978-4-8030-1488-4 | June 14, 2022 | 978-1-63858-302-8 |
| 4 | July 12, 2021 | 978-4-8030-1536-2 | October 3, 2023 | 978-1-63858-769-9 |
| 5 | December 10, 2021 | 978-4-8030-1586-7 | February 6, 2024 | 978-1-68579-457-6 |
| 6 | May 12, 2022 | 978-4-8030-1641-3 | June 4, 2024 | 978-1-68579-560-3 |
| 7 | October 12, 2022 | 978-4-8030-1700-7 | October 8, 2024 | 979-8-89160-174-1 |
| 8 | April 12, 2023 | 978-4-8030-1770-0 | February 4, 2025 | 979-8-89160-864-1 |
| 9 | October 12, 2023 | 978-4-8030-1847-9 | July 1, 2025 | 979-8-89373-000-5 |
| 10 | March 13, 2024 | 978-4-8030-1921-6 | — | — |
| 11 | October 11, 2024 | 978-4-8030-2019-9 978-4-8030-2023-6 (SE) | — | — |
| 12 | March 12, 2025 | 978-4-8030-2091-5 978-4-8030-2092-2 (SE) | — | — |

#### A Tale of the Secret Saint ZERO

| No. | Japanese release date | Japanese ISBN |
| 1 | March 13, 2024 | 978-4-8030-1913-1 |
| 2 | September 12, 2024 | 978-4-8030-2002-1 |
| 3 | March 12, 2025 | 978-4-8030-2085-4 |

### Anime

An anime television series adaptation was announced on March 6, 2025.

## Reception

By June 2024, the series had over 2.7 million copies in circulation.
The series was ranked second in the 2024 and 2025 editions of Takarajimasha's Kono Light Novel ga Sugoi! guidebook in the tankōbon category.