Boku no Kokoro no Yabai Yatsu

The Dangers in My Heart

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Alternative Titles

Synonyms: Bokuyaba
Japanese: 僕の心のヤバイやつ
English: The Dangers in My Heart
More titles


Type: TV
Episodes: 12
Status: Finished Airing
Aired: Apr 2, 2023 to Jun 18, 2023
Premiered: Spring 2023
Broadcast: Sundays at 01:30 (JST)
Licensors: Sentai Filmworks
Source: Manga
Genres: ComedyComedy, RomanceRomance
Theme: SchoolSchool
Demographic: ShounenShounen
Duration: 23 min. per ep.
Rating: PG-13 - Teens 13 or older


Score: 8.251 (scored by 143089143,089 users)
1 indicates a weighted score.
Ranked: #3202
2 based on the top anime page. Please note that 'Not yet aired' and 'R18+' titles are excluded.
Popularity: #842
Members: 287,721
Favorites: 4,329

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Ranked #320Popularity #842Members 287,721
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Episodes: /12


Kyoutarou Ichikawa may look like a shy and reserved middle school student, but deep within his heart is a bloodthirsty killer. His ultimate desire is to see his classmate Anna Yamada's beautiful face writhing in pain before he ends her life. But this fantasy may never come to fruition, as Ichikawa starts to see an entirely different side to Yamada.

Often seeking refuge in the library, Ichikawa frequently runs into Yamada. It is during these encounters that Ichikawa realizes his model classmate is actually an airhead who can never read the room. As they spend more time together, the boy cannot help but feel not only a sense of endearment toward the very girl he wishes to murder but also a desire to protect her at all costs. Is it possible that this sudden change in Ichikawa's perspective could lead to something more?

[Written by MAL Rewrite]


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Characters & Voice Actors



Opening Theme

Apple Music
Amazon Music
Youtube Music
"斜陽" by Yorushika

Ending Theme

"斜陽" by Yorushika (eps 1)
"数センチメンタル" by Kohanaramu (eps 2-)


Dec 10, 2023
Anime romantic comedies are a dime a dozen and they have been for over forty years now. The moment some savvy producer looked at the seminal Urusei Yatsura in the late 70’s and was like “We could totally milk the shit out of this,” it was basically all over from there. This reached critical mass in the 2000’s when some iteration of “random douchebag attracts a bunch of socially unstable weirdos and they run around for 13-25 episodes" or "random airheaded bimbo finds some hot piece of bishounen ass to abuse her for 13-25 episodes” became a disproportionate amount of the anime industry’s output. while ...
Jun 18, 2023
Mixed Feelings
This show, like the title did say was quite ~yabai~ in the first few episodes but trust me it does develop fairly well in the later episodes.

I thought this was just gonna be a chunni freak show with weird fanservice which it manages to fit in quite a good amount of, the boisterous and ultra well endowed little giant of girl yamada anna , (who we are somehow supposed to believe) is a middle school student and a model is alarmingly unaware of her antics of overeating and accidental fanservicing which are fueled by the chunni and Perverted delusions of our main lead ichikawa who ...
Nov 25, 2023
You know, I don’t really mind when a show divulges (or better yet evolves) from its premise, even if it was character based. Of course as the character grows, motivations change and the circumstance changes with it. Like in Love is War, the whole premise is trying to get the other to confess, but when they get together, that premise is gone, but still because of how the characters were developed, there was still a lot more story to tell. The premise evolved and changed. That is a good series. But I’m sorry, you cannot just forget your premise of, oh yeah, your main character ...

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Recent Forum Discussion

The femal cast support the MC too fast?
passtur - Apr 15
21 repliesby Laplace_kun »»
Yesterday, 10:48 AM
Poll: Boku no Kokoro no Yabai Yatsu Episode 12 Discussion ( 1 2 3 4 5 ... Last Page )
Stark700 - Jun 17, 2023
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Stark700 - Jun 10, 2023
142 repliesby whitebeartigtig »»
Apr 15, 11:56 AM
Support cast likeability
Laplace_kun - Apr 15
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Apr 15, 11:31 AM
Poll: Boku no Kokoro no Yabai Yatsu Episode 10 Discussion ( 1 2 3 4 5 ... Last Page )
Stark700 - Jun 3, 2023
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Apr 15, 11:27 AM