Boku no Kokoro no Yabai Yatsu (The Dangers in My Heart)

Kyoutaro Ichikawa may look like your average middle school student, but in his heart, he dreams of murder. Thus, it is no surprise that the one he wants to kill the most is never far off from his mind: the class idol, Anna Yamada.

Reading alone in his beloved school library, he inadvertently begins to rendezvous with Yamada, who comes to secretly gorge on her beloved candies and sweets. Through their interactions, Ichikawa discovers just how much of a ditz Yamada is, and cannot help but support her from the sidelines. Meanwhile, Yamada herself cannot help but tease Ichikawa relentlessly due to his flustered reactions.

With an array of heartwarming daily interactions, the distant bond between the two grows into something more than just library acquaintances. Perhaps, in time, Ichikawa will come to realize that his murderous desires have turned into something else entirely.

[Written by MAL Rewrite]

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BackgroundBoku no Kokoro no Yabai Yatsu ranked third and ninth in the 2020 and 2021 Kono Manga ga Sugoi! for the Male Readers division, respectively. It also ranked first in the Best Web Manga category at the sixth Tsugi ni Kuru Manga Awards in 2020. The manga was nominated for the 13th Manga Taisho Award and placed 11th in the final ranking.

The series has been published in English as The Dangers in My Heart by Seven Seas Entertainment since July 20, 2021.

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Yamada, Anna

Main

Ichikawa, Kyoutarou

Main

Ichikawa, Kana

Supporting

Sekine, Moeko

Supporting

Yamada, Yuuki

Supporting

Yamada, Sanae

Supporting

Imaginary Kyoutarou

Supporting

Kobayashi, Chihiro

Supporting

Hara, Honoka

Supporting

Hanzawa, Yurine

Supporting

Reviews

Dec 14, 2024

Erdogank

Recommended

Preliminary (157/? eps)

Non-ecchi, non-harem romcom.
This is a very wholesome and enjoyable manga, about a chuuni boi and a positive foodie girl.
It starts a little slow, but after some repeated chapters establishing the library and the candy eating the manga takes a way better pace.
It does have many of the expected tropes (lost child, model agency and so forth) but not all of them.
It is also waaaay better paced than fx Komi and other slow burners.
The art is great and the sidecharacters aren't bad at all. Male protaganist isn't as useless/dense as we are used to, but not a chad either.

I believe ...

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Aug 12, 2023

SophieSquid

Mixed Feelings

Preliminary (30/? eps)

This manga got an anime adaptation not too long ago, and I got absolutely hooked on it. So much so that I couldn't wait for the episodes to come out, so I decided to read ahead in the manga. As I read the manga, however, I started to slowly fall out of love with the story. Whenever the new episodes of the anime came out however, I was once again in love with it. There are a lot of people out there who defend mangas over their anime counterparts, but I'mma be real here, I think the anime elevates this story a heck of a ... lot.

I am aware that pretty much everything the anime does the manga does too, it is the source material after all, but what the anime does is it focuses the pacing, and adds a few details here and there that make the story feel cohesive. I get frustrated by romance stories that never go anywhere, which is why I was drawn to this series in the first place. It has a sense of progression. I find the manga has a lot of fluff that bogs down this sense of progression, especially with it's little bonus chapters that they sprinkle in constantly. They're all fun to read, but at the same time they feel pretty much tonally indistinguishable from the chapters that actually do matter. There's often a feeling in romance stories that revert to the status quo of hanging threads being unanswered, which I really dislike. Like, something happens between the characters and there's a moment of ooooo I wonder how they're gonna resolve this tension and then.... it just tangents onto something else and we forget the prior thing ever happened. This is my biggest complaint with stories like komi can't communicate (but let's get back to the focus at hand). The problem with the pacing of the manga is there's a lot of padding, and various plot threads feel like they go unanswered for a little longer than you'd expect, even in actual full chapters sometimes. There's an episodic feel to things with occasional continuity, which can be a little frustrating. What the anime does is it cleans things up, and rearranges some of the events in a way that makes them actually feel like they are cohesively flowing into each other, day by day. That was the biggest reason the anime even stood out to me, is there never felt like a moment where the continuity just got reset. There were also occasional details that were modified in the anime that I felt better suited the character developments. Generally I just find the progression in the manga a little haphazard in comparison. I ended up dropping the manga around episode 8 in the anime's continuity (I think it was either ch30 or 40, somewhere around there) in favor of experiencing the show blind, because I felt like it executed everything better, and I plan to do the same with its season 2. If you are someone who is interested in watching the anime, I'd say watch that instead, and if you have seen it and want a little more content between these two, the manga does have the advent of having the extra little bonus content in its bonus chapters, but it's nothing you haven't seen elsewhere, so idk, it's up to you if you read it.

Also somewhat unrelated complaint with the manga, but it has a decent amount of somewhat creepy art of Yamada. Like, when Yamada is being romanticized/sexualized from the perspective of Ichikawa, it makes sense because that's from his perspective. But the manga has a lot of non-canon panels that feel more like pandering for the audience and... need I remind you all that Yamada is a middle schooler? This kinda made the whole manga reading experience a lot more uncomfortable, and I couldn't end a review on it without at least mentioning it

I can't decide between a 6 or a 7/10, but I'm leaning 6 just cause it's okay, but there's a better version out there in my opinion. However, I cannot deny that the manga came first and did write the baseline for a story that I really enjoy. To those of you manga fans of this one, if you like this one I can totally see why. It does have a lot going for it, it's just not my preference.

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Sep 16, 2022

sddsdd

Not Recommended

Preliminary (104/? eps)

It was fun… at first. "Psychological thriller" quickly turned oddball romantic comedy was a welcome change for most, and the series quickly found its place among modern rom-coms with a relatable protagonist and steady relationship growth. At some point, I figured they'd soon acknowledge their relationship and start dating, with the series establishing itself as one of the few well-paced romance manga out there.

That point was two years ago.

Now, the manga feels like Zeno's paradox in practice: every two weeks a new chapter comes out and their relationship makes half as much progress as last week's, getting so close to but never actually reaching ...

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Poll: Boku no Kokoro no Yabai Yatsu Chapter 129 Discussion obicomeonboneme - Sep 18, 2023	20 replies	by Kurei0 »» Yesterday, 5:59 PM
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Poll: Boku no Kokoro no Yabai Yatsu Chapter 156 Discussion MegamiRem - Nov 12, 2024	14 replies	by KM_31 »» Jan 16, 9:39 AM

Boku no Kokoro no Yabai Yatsu
The Dangers in My Heart
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