is a Japanese manga series written and illustrated by Nene Yukimori. It has been serialized in Shueisha's manga magazine Weekly Young Jump since July 2025, with its chapters collected in three volumes.

Premise High schoolers Yuuichi Momose and Sumi Fujino have been friends since they were little. Although they are in the same class, they have grown increasingly distant over time, with their interactions becoming infrequent. They would later interact again when Sumi visits the Momose family home for the first time in a long time.

Characters

A high school boy who used to be close to Sumi before they grew apart in middle school.

A high school girl who currently lives alone in her apartment and often visits the Momose household.

Publication Written and illustrated by Nene Yukimori, who previously created the manga series Kubo Won't Let Me Be Invisible from 2019 to 2023, We're J-Just Childhood Friends began serialization in Shueisha's Weekly Young Jump on July 3, 2025. The series' first volume was released on December 18, 2025. To promote the series, three voice comics covering the first three chapters, featuring Tomohiro Ōno and Ai Kayano, respectively, voice Yuuichi and Sumi, were posted on the official Young Jump YouTube channel.

The manga's chapters are simultaneously published in English on Shueisha's Manga Plus app.

Reception The series was ranked nineteenth in the print category at the twelfth Next Manga Awards in 2026.

See also Kubo Won't Let Me Be Invisible, another manga series by the same author

References

External links