Endou-kun no Kansatsu Nikki

Description

Because of changes in seating arrangements, high school student Tsuda ended up behind the quiet and expressionless Endou. Their interaction is born from a trivial incident, and he begins to see Endou who he has never gotten to know before. That mole, slender nape, and soft hair. The subtle faces that he makes and little changes in his attitude. But Tsuda, who used to be indifferent about others and never made any deep connections, now feels impatient about the distance between him and Endou, who he has been gradually getting closer to. What on earth is drawing these feelings?

Type

Manga

Related Series

Tsuda Memo (Sequel)

Endou-kun no Jikken Note (Sequel)

Imamade Korekara (Spin-Off)

Hai ni Mabataki (Spin-Off)

Associated Names

El diario de Endo (Spanish)

El diario de observaciones de Endou

Le carnet de notes d'Endô-kun

Observation Of Endou's Diary

The Endou Observation Diary

บันทึกลับ เอ็นโด้คุง (Thai)

えんどうくんの観察日記

远藤君的观察日记

Groups Scanlating

Acme

Futari wa Pretty Anon

Latest Release(s)

v.1 c.Extra (v2) by Futari wa Pretty Anon & acme 13 years ago

v.1 c.1-4 + Extra (end) by Futari Wa Pretty Anon & acme 13 years ago

Search for all releases of this series

Status in Country of Origin

1 Volume (Complete)

Completely Scanlated?

Yes

Anime Start/End Chapter

Starts at

Ends at

User Reviews

N/A

Forum

0 topics, 0 posts

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User Rating

Average: 8.4 / 10.0 (487 votes)

Bayesian Average: 8.28 / 10.0

28%

22%

23%

16%

Last Updated

July 6th, 2025 8:21pm PDT - 1 week ago

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Genre

School Life Shounen Ai Slice of Life
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Categories

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Category Recommendations

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Crazy for You (ARAYA Miki)

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Recommendations

Author(s)

Artist(s)

Year

Original Publisher

Taiyo Tosho

Serialized In (magazine)

Hertz (Taiyo Tosho)

Licensed (in English)

English Publisher

N/A

Activity Stats (vs. other series)

Weekly Pos #697

(+1)

Monthly Pos #1757 (No change)

3 Month Pos #3780 (No change)

6 Month Pos #4818

(-320)

Year Pos #5747

(-1067)

List Stats

On 184 reading lists

On 291 wish lists

On 1631 completed lists

On 10 unfinished lists

On 407 custom lists

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Forum Posts Click to view the forum

User Comments [ Order by usefulness ]

enjoyable

by luna697
2 years ago

Rating: 7.8 / 10.0

A little hard to follow at times, and a little more abstract than most BL, but it was really unique in its presentation and how the author conveyed the emotions of the characters. Overall a pretty enjoyable read.

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The artwork, the writing style, the characters...loved it all

by Sunfae
5 years ago

Rating: 8.0 / 10.0

I'm stumbling across very unique manga works these days and I am very pleased with that!

This manga was simple as a story but also unique and refreshing in the way it was done, from how feelings and thoughts were subtly and indirectly expressed in the artwork and the pacing, mixed with scarce words and expressions that in reality held a lot of meanings...

A story was told and feelings were conveyed and expressed with minimum dialoged...I really enjoyed it and will check out the sequels and the other author's work.

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So short...and

by Terwa
5 years ago

Rating: N/A

I want more ,the story was short while there's more can be tell.The way the writer did the story line made it feel like different plot from other similar yaoi manga,the only objective,although it did't effect the story from my point of view,the missed up events and dialogue the writer would done better job in giving a little clarifying view of the scene
love it great story lovable characters

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Hayakawa Nojiko-sensei is GOD

by toastmuncher
9 years ago

Rating: 10.0 / 10.0

How can anyone not love Hayakawa Nojiko-sensei is beyond comprehension to me. Every single panel, and character movement in this manga is not only absolutely gorgeous but essential. Really, I can't find a single flaw here. Not one.
What I loved most was the (sexual) tension that undergrid the character's interaction with each other. I couldn't stop "kyaaaaa!!" and hitting my head on the wall. SO CUTE (>.>)

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goddang tease!

by whitespade
10 years ago

Rating: 9.0 / 10.0

thank god theres sequel or im gonna cry, so sweet. love the characters and the art. the pacing and panelling can be off, sometimes i lose track what's going on. overall so mellow.

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It was sweet

by aiish
12 years ago

Rating: 9.0 / 10.0

Very cute. Pretty repetitive in the context but makes it poet in a way. I guess Endou liked Tsuda way longer then huh. Endou's hair really does look soft, like a Yorkie, probably hahha. I liked Tsuda with his hair down. The hair cut scene was funny.

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I just LOVE this manga so badly

by OmNom
12 years ago

Rating: 10.0 / 10.0

I don't want to spoil it for everyone so I'm going to be brief, but I seriously can't help myself squealing at how much I love this manga and Hayakawa Nojiko-sensei. She truly managed to leave a deep impression on me with this series particularly. While one might find it hard to read through all her panels I had no trouble at all, in fact I often found myself lingering at a spot once in a while just to truly savour and admire her beautiful artwork, and I did that with a passion.

PS: The sexual tension is just flying off the hook. I'm eagerly waiting for a group to pick up the sequel to this one and see how things'll turn out, hopefully we'd finally be able to see some real 'actions'.

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Very cute

by sofistree
12 years ago

Rating: 9.0 / 10.0

The plot is simple - if you're looking for elaborate declarations of love and jealousy, this is not it. This is quiet and lovely and relies not on dialog but on scenes and expressions and basically reading in between the (few) lines.

It feels a bit like watching snow fall at night. It has that kind of atmosphere. It was really nice. 🙂

I like how this author gets us to the people getting together (it's always done so wonderfully), but I also kinda wish we could see what happens AFTER. But that's probably a whole other story.

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very simple and subtle

by gwkimmy
12 years ago

Rating: N/A

i found this manga almost...poetic in its presentation of images and the paneling. dialogue is limited since the mains themselves aren't the type to talk much, but so much is expressed in how they see one another and the things that are going on in the background (the kiss on the train platform scene comes to mind) that you feel instead of know what is going on in the character's minds. i agree with the character chiba and infinity that the kiss was freaking HOT. and this is just a shounen ai ;_; i also love the way the minor characters were constructed and characterized. they grow on you as well.

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really fun

by blu_papillon
13 years ago

Rating: 9.0 / 10.0

this was just plain fun to read! I love stories that deviate from the same-old-same old yaoi story. This was like a gulp of fresh air! Ugh, and that kiss at the end! The couple's chemistry is just so captivating. I love the characters, too. No one is just a charaicature, every1 has a purpose. Anyway, read it. It'll make your day better.

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