is a Japanese light novel series written by Daken and illustrated by Shiba. It was originally serialized as a web novel on the online publication platform Shōsetsuka ni Narō from January 2022 to January 2023. Micro Magazine later began publishing it as a light novel under its GCN Bunko imprint in September 2023, with six volumes released as of January 2026. A manga adaptation illustrated by Karin Suzuragi began serialization in Hakusensha's Young Animal Zero magazine in January 2024, and has been compiled into two volumes as of November 2025.
Plot Mars, the only prince of the Kingdom of Farune, has lived in fear of being poisoned by his food, driven by the prime minister's threats against his life. Being paranoid about his meals, he goes outside to eat monster meat. One night, a mysterious red haired woman discovers him and offers to make him her apprentice. She turns out to be Cassandra, a well-known warrior, who informs him that eating monster meat makes him stronger. With this newfound knowledge, Mars aims to get stronger, training under Cassandra and gaining strength to defeat his opponents.
Characters
A 12-year-old prince and the heir to the throne of Farune. He lives in fear following the death of his mother and the prime minister's repeated attempts to kill him to take over the country, with him avoiding meals to avoid being poisoned.
Nicknamed the Red Warrior, a name she dislikes, she is a red-haired warrior who encounters Mars one day. Impressed by his ability to eat poisoned monster meat, she offers to train him to get stronger.
Media Light novels Daken originally serialized the series on the online publication platform Shōsetsuka ni Narō, releasing 53 chapters between January 5, 2022, and January 4, 2023. It was later picked up for publication by Micro Magazine, which began publishing it as a light novel under its GCN Bunko imprint, with illustrations by Shiba. The first light novel volume was released on September 29, 2023; six volumes have been released as of January 20, 2026. The light novels are licensed in English by Cross Infinite World.
Manga A manga adaptation illustrated by Karin Suzuragi began serialization in Hakusensha's Young Animal Zero magazine on January 9, 2024. The first volume was released on January 29, 2025; two volumes have been released as of November 28, 2025.
See also The Suspects of Necromancy, another light novel written by Daken Tsuihō Sareta Shōnin wa Kin no Chikara de Sekai o Sukū, another light novel written by Daken Who Killed the Hero?, another light novel series written by Daken The Wicked Princess and Her Twelve Eyes, another light novel written by Daken
References
External links Web novel at Shōsetsuka ni Narō Light novel official website Manga official website