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Boku wa Imouto ni Koi wo Suru

Alt titles: I Love My Younger Sister

Boku wa Imouto ni Koi wo Suru main image more screenshots
2.592 out of 5 from 3,949 votes
Rank #3,599


Yori Yuki has loved his twin sister ever since he can remember. While his parents brushed it off as a child’s fantasy, he always knew it was true love; but because it is incest, taboo, a forbidden love, he did his best to eliminate those feelings. 15 years have gone by and his feelings never wavered; in fact, they have grown stronger. He’s watched his sister Iku grow up and become a beautiful woman, and now, he can no longer contain his feelings – Yori confesses. Yet even if Iku reciprocates his feelings, that doesn’t change the fact that they’re brother and sister. Can forbidden love last?


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Name Role
Mayumi NISHIMOTO Character Design
Yukiyo TERAMOTO Director
Susumu UEDA Music
Kotomi AOKI Original Manga Creator
Yoshinori SUZUKI Producer
Ryuji MATSUDO Producer
Noriyuki TANAKA Producer
Masami HATAKENAKA Producer
Kenichi NAKATA Producer

Community Reviews

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Title Author Score Date
Boku wa Imouto ni Koi wo Suru Komirai 7/10 Jul 7, 2012
I Love My Younger Sister Komirai 7/10 Jul 7, 2012
Boku wa Imouto ni Koi wo Suru Phanime 6.4/10 Jul 5, 2012
List Title Username Entries Date
Good romance animes :) Iopannera 100 Oct 23, 2013
Watching queue mario182 17 Oct 22, 2013
Anime That I watched triniman15 481 Oct 4, 2013
Post Name Username Comments Date
Top Anime Couples PurpleCatAngel 3 Mar 15, 14

Recommendations if you like Boku wa Imouto ni Koi wo Suru

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Koi Kaze

Koi Kaze

If life teaches us anything, it is that love sometimes happens in the most unlikely of places, with the most unlikely of people. Koshiro is a run-of-the-mill salaryman who has recently been dumped by his partner. With his heart broken and hope lost, he soon comes to realize that he can love again, once he sets eyes on a beautiful young schoolgirl riding the train. However, there is one catch -- this girl named Nanoka is his sister, who he has not seen in years. Knowing that their forbidden love will always be scrutinized by society; will Koushirou and Nanoka be able to resist the temptation?


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8 people agree

If you liked Koi Kaze, you'll definitely like BokuImo, since these two anime both deal with the forbidden love between brother and sister.


If you liked "Boku wa Imouto...", you'll like Koi Kaze a lot more, since it has a deeper story and isn't just pointless like this movie. =)


Koi Kaze and Boku wa Imouto ni Koi wo Suru are an obvious match. Not only do they both deal with the same tricky and potentially controversially the subject matter, that of incest, as they approach it in a sober, thoughtful manner that pulls at the heartstrings. Both are realistic and do not use fanservice, these anime are all about the emotional reaction of these characters who find themselves in a compromising situation.


Aside from the obvious fact that they are both based on incest, they both have a similar atmosphere. Both seem realistic, although probably not relatable, and they carry a bittersweet tone to them. There's the happiness of always being with the one they love, yet the cruelty that surrounds a forbidden love. And of course, both make attempts at avoiding reality. If you liked Koi Kaze, there's a chance you might like Boku was ni Imoto ni Koi o Suru just as well.


Both anime are pretty much the same thing about a sister and brother getting a little too far into a serious physical relationship and the drama that surrounds this leap they have taken but Koi Kaze does it way better. If you got any enjoyment out of Boku wa Imouto ni Koi wo Suru you'll surely appreciate the far superior Koi Kaze.


Koi Kaze and Boku wa Imouto ni Koi wo Suru are two of a kind.In both of them we a love relationship between blood related siblings, both of them have a very well developed realistic aspect and the most obvious thing both of them are based on an incest aspect, the happiness of having the one you love near you and the cruelty of a forbidden love.If you like Koi Kaze you might like Boku wa Imouto ni Koi wo Suru as well or vice-versa.


If it's about Koi Kaze and Boku wa Imouto, there are only two things to say: They are about exactly the same thing (the only difference being that Koi Kaze has a great age difference between siblings, and handles it more tastefully), and Koi Kaze is way better in both characters and story. If you saw and enjoyed Boku wa Imouto, don't hesitate to watch Koi Kaze, you're almost guaranteed to enjoy it.


Koi Kaze and Boku wa Imouto ni Koi wo Suru can go hand in hand with each other.  They both involve the forbidden relationship between a brother and sister and their struggle in trying to figure out how to be together in the end and make it work.

Candy Boy

Candy Boy

Yukino and Kanade are twin sisters who now share a room at their new school in Tokyo. Ever since they were little, the pair has been exceptionally close – perhaps even a bit too close for siblings when eyes are turned away. But soon a girl named Sakuya, who often tails the two, begins to grow closer to Yukino; and after an alleged confession that she hears about, Kanade begins to get worried that something is going on behind her back. Can the three of the girls keep their relationships with each other on stable ground, or will jealousy and heartache come crashing down on them?

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6 people agree

Both series are about forbidden but beautiful love (incest, yuri). Main characters have to fight for it and don’t get intimidated by others. If you liked one you will surely like the other.


Both of these anime are fluffy romantic stories about twins falling in love and the hardships they face.


Both of these series deal with forbidden love between twins. They are also short series so watching the other one doesn't take long if you want to see if it's any good.


If you want a dose of forbidden love, Candy Boy and Boku wa Imouto ni Koi wo Suru are the shows for you.  Each involve a relationship of the main characters love for each other, yet they are twins!  The trials and tribulations of trying to keep their love for each other going against all odds adds to the magic of the series.


Do you like forbidden love between twins? Or just forbidden love in general? Then you'll most likely be interested in both Boku wa Imouto ni Koi wo Suru and Candy Boy! The two short OVAs deal with a strong love between twins, which is taboo. The only difference between these two is that Candy Boy involves twin girls but I'm sure if you like one, you'll like the other.


A beautiful tale of forbidden love between two siblings is what I would like to say that both of these have in common and well at least part of it is true.  Because the story is in fact a story about the forbidden relationship that develops between two siblings which also in both cases its a relationship between twins.  Though in Boku wa Imouto ni Koi wo case its a brother and sister and in Candy Boy's case it's a relationship between two sisters.  Anyways if you liked one of these then you may want to give the other a look.

Please Twins

Please Twins

Maiku Kamishiro has always had a photo of himself as a child in front of an old house with a young girl. One day after spotting the building in a news report, the high school boy moves to the countryside to live in the house from the picture. While living alone, making ends meet by working as a freelance programmer, Maiku gets the shock of his life when not one, but two girls turn up on his doorstep claiming to be his twin sister! With the lively Miina and timid Karen both possessing the same photograph, the pair begins living with the confused Maiku as they try to figure out which one of them is actually his sister.


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I agree...
5 people agree

Both series focus on a forbidden love between a brother and sister. All of the main characters in both series struggle with and try to deny the feelings that they feel for their sibling. Please Twins has a more comedic aspect to it with some drama added, while Boku wa Imoutu ni Koi wo Suru is dramatic from beginning to end. If you liked one, you should give the other a try.


If you're into the whole "twins loving each other" theme, sure why not? I believe these two have a lot in common in that sense =) Besides the fact that they're both short and fast/easy anime to watch, they both focus on the fact that the twins DO have feelings for one another and therefore having to deal with the "what if" situations.

However, in many aspects Boka is much more deep and MUCH more mature. In comparison to Twins, Twins is more focused on humor and the theme of "who is the twin". While both have really well-defined characters, you might enjoy the fact that neither lose sight of the main concept. Therefore I believe if you've watched one, and want to watch a similar (yet different mood) anime, go for it!


Boku wa Imouto ni Koi wo Suru and Please Twins focus on a forbidden love between a brother and sister and the complications of maintaining a relationship through that fact.  It is a big what if situation of what might happen in a situation where love comes through even in the case of siblings. Boku wa Imouto ni Koi wo Suru has a more dramatic, serious feeling to it while Please Twins has a great deal of comedic episodes in it. 


Both series focus on the forbiddin relationship between a brother and sister and the attempts to deny those feelings inorder to prevent themselves from crossing that line into taboo.  Though Boku wa Imouto ni Koi wo Suru tends to stay on the more serious side and Please Twins takes on more of a comedy stance with some drama mixed.


The art style in Boku wa Imouto ni Koi wo Suru and Please Twins is extremely similar and I would recommend the other if you like one just based on that. Then there is the fact that both focus on forbidden love between siblings and the attempts made to deny this forbidden love.

Angel Sanctuary

Angel Sanctuary

Setsuno Muda is a high school boy with a cruel fate, trapped in a forbidden love for his blood sister and inhabited by the spirit of the Organic Angel Alexiel. As the final battle between Heaven and Hell approaches, and forces gather against him, he must soon make decisions that will inevitably alter his future for better or worse. But for poor young Setsuno, his anguish and torment might be more overwhelming than the blood on his hands, as conflicts are settled and lives are changed forever...

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4 people agree

Both Angel Sanctuary and Boku wa Imouto ni Koi wo Suru deal with the central idea of a forbidden love - more specifically the protagonist's incestuous love for his younger sister. If you enjoyed one's look on forbidden love, you should definitely check out the other.


These series both grip your heart in ways you do't really expect... Every human has a secret desire to know more about taboos and we all somehow love to break the rules, so if you are one of those people who just can't stop yourself, who want to know more, this is another show for you!


Both anime deal with the idea of incest love. The main characters have to put up with their feelings and with the society's attitude to love between brother and sister.If you liked one because of this matter, you would surely like the other.


Brother loves sister, and she aswers his feelings back. It's similar storyline and nice to watch.

Aki Sora

Aki Sora

Aki lives a charmed life. Popular, athletic, and at the top of her class, she rules the school; and at home, her younger brother Sora caters to her every whim. However, her younger sister Nami doesn't have it so easy. The small-chested and sarcastic girl is in love with her best friend, who happens to be in love with Sora. Meanwhile, the slight and feminine Sora spends his evenings cooking and cleaning for the entire family while being bullied by Aki - and what's worse, he harbors a forbidden, deep-seated lust for the girl. Will Sora give into his desires, and will Nami ever win the heart of her best friend?

my list:

not rated
I agree...
3 people agree

Boku wa Imouto ni Koi wo Suru and Aki Sora feature incest themes, which makes this two shows very similar. Both animes feature love relationship between blood related siblings, both of them are pretty disturbing because of this aspects. While Aki Sora also exceeds in terms of hardcore ecchiness Boku wa Imouto ni Koi wo Suru maintains its decency but even so both animes feature sexual content (way more explicit in Aki Sora). If you liked one of this show then check the other one as well.


There are more than apparent incest themes throughout Boku wa Imouto ni Koi wo Suru and Aki Sora.  Aki Sora has slightly more explicit content though and both shows strive to explain the seriousness of the situation in which the characters find themselves in.  Even though they know that society thinks it is wrong for them to be together they cannot fight the love that is between them.


Aside from the fact that for both series the central theme is that of incest.  Both series do each feature some sexual content though in the case of Aki Sora there is some rather explicit content.  There's also the fact that in both series the characters know that the things they are thinking and feeling would be viewed as being wrong in society.  So if you liked one then you may want to check out the other.