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Osananananajimi
We're J-Just Childhood Friends
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Osananananajimi

Alternative Titles

Japanese: おさななななじみ
English: We're J-Just Childhood Friends
More titles

Information

Type: Manga
Volumes: Unknown
Chapters: Unknown
Status: Publishing
Published: Jul 3, 2025 to ?
Genres: Comedy Comedy, Romance Romance
Themes: Love Status Quo Love Status Quo, School School
Demographic: Seinen Seinen
Serialization: Young Jump
Authors: Yukimori, Nene (Story & Art)

Statistics

Score: 7.421 (scored by 790790 users)
1 indicates a weighted score.
Ranked: #39952
2 based on the top manga page. Please note that 'R18+' titles are excluded.
Popularity: #6071
Members: 4,038
Favorites: 15

Available At


Resources

7.42
Ranked #3995Popularity #6071Members 4,038
Add to My List
Volumes: /?
Chapters: /?

Synopsis

Yuuichi Momose and Sumi Fujino are childhood friends who have been together since they were little. Now, they're high school classmates, but since they've reached puberty, they don't feel as close as they used to. They know each other well, but there's a sense of formality there. This is the delicate relationship between them, until one day, Sumi suddenly comes to Yuuichi's house...?

(Source: MU)
BackgroundOsananananajimi has been published digitally as an English simulpub as We're J-Just Childhood Friends through MANGA Plus.

Characters


Reviews

Feb 8, 2026
Preliminary (17/? eps)
After the successful series "Kubo Won't Let Me Be Invisible", Nene Yukimori returns with a manga that is identical in art style and similar tone and plot. Prepare yourself for lots of fluff - some adorable, some overdone - and a litany of sparkling, one-panel shots of a girl holding a hand to her mouth and looking downward shyly while saying something totally ordinary like "I'm glad you liked it" or "That makes me happy."

The one thing that really separates this series from Kubo is that the author puts more emphasis on flashbacks and exploring the background of the MC's friend group, how they have ...
Jul 16, 2025
Preliminary (2/? eps)
7.9/10


Fluff... So much fluff...
This manga is the type of story where you're unconsciously smiling the entire time due to the lack of drama and the abundance of wholesome and cute moments between the main characters. And hey, I'm all for it because this is a childhood friend story that I can get behind -- A childhood friend story where the childhood friend is finally not doomed to lose.

This manga is very simple in design, where the author inserts some flashback memory moments and contrasts them with the present scenes. So far, almost every interaction between the main characters gets tied in with how they ...

Interest Stacks

by Fel_Rib
29 Entries · 24 Restacks
27 Entries · 36 Restacks
19 Entries · 3 Restacks

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Recent Forum Discussion

Poll: Osananananajimi Chapter 20 Discussion
nhiudv - Mar 18
3 repliesby Skuvan »»
Mar 19, 4:28 PM
Poll: Osananananajimi Chapter 19 Discussion
nhiudv - Mar 4
4 repliesby Skuvan »»
Mar 5, 1:55 PM
Poll: Osananananajimi Chapter 18 Discussion
d2rkest - Feb 4
4 repliesby Skuvan »»
Feb 14, 12:30 PM
Poll: Osananananajimi Chapter 17 Discussion
nhiudv - Jan 21
7 repliesby Skuvan »»
Jan 29, 1:39 AM
Poll: Osananananajimi Chapter 16 Discussion
AnderS16 - Dec 24, 2025
3 repliesby yuuichisumi »»
Dec 30, 2025 2:19 AM