Slime Saint

• Name — Slime Saint • Ja Kanji — スライム聖女 • Ja Romaji — Suraimu Seijo • Genre — Fantasy comedy

• Type — manga • Author — Aira Yao • Illustrator — Umashi • Publisher — Shueisha • Imprint — Young Jump Comics • Magazine — * Tonari no Young Jump • Isekai Young Jump • First — December 12, 2023 • Volumes — 7 Slime Saint is a Japanese manga series written by Aira Yao and illustrated by Umashi. It began serialization on Shueisha's Tonari no Young Jump website and the Nico Nico Seiga website under Shueisha's Isekai Young Jump brand in December 2023.

The series focuses on an unnamed slime who has inhabited the corpse of Jelly Aspic, a saint. The slime took over Jelly's body without any prior knowledge of who Jelly was, and when she later learns of Jelly's reputation as a cruel wicked woman, she tries to avoid getting killed.

• Jeryī Asupikku • Sora Amamiya (PV) • Erin • Ai Kakuma (PV) • Will • Kaito Ishikawa (PV) • Marukofu • Mutsuki Iwanaka (PV) • Rumiru • Nozomi Furuki (PV)

Written by Aira Yao and illustrated by Umashi, Slime Saint began serialization on Shueisha's Tonari no Young Jump website and the Nico Nico Seiga website under Shueisha's Isekai Young Jump brand on December 12, 2023. Its chapters have been compiled into seven tankōbon volumes as of June 2026. In December 2025, Seven Seas Entertainment announced that they had licensed the manga for English publication, with the first volume set to be released in November 2026.

In commemoration of the first volume's release on July 18, 2024, a promotional video was uploaded to the Weekly Young Jump YouTube channel that same day. It featured voice acting from Sora Amamiya, Kaito Ishikawa, Mutsuki Iwanaka, Ai Kakuma and Nozomi Furuki.