Written and illustrated by Riku Oseto, Nezumi's First Love began serialization in Kodansha's seinen manga magazine Weekly Young Magazine on November 6, 2023.

[2] During their panel at New York Comic Con 2024, Kodansha USA announced that they had licensed the series for English publication beginning in Q4 2025.

[3] The series was recommended by fellow manga artist Katsuhisa Minami.

[8] The series was nominated for the tenth Next Manga Awards in the print category and was ranked 12th out of 41 nominees.

[9] Along with Cosmos, Nezumi's First Love ranked ninth on Takarajimasha's Kono Manga ga Sugoi!