"My Little Sister is My Little Sister, But She's Not My Little Sister" is a light novel by Seiji Ebisu, published since August 2016. Its abbreviation is "Imoimo." The protagonist, Yu Nagami, a high school student aspiring to become a light novel writer, repeatedly submits his work to new writer awards, but always fails first round. One day, Yu's younger sister, Suzuka Nagami, whimsically submits a work (a love comedy about a brother and sister) that wins the Light Novel Grand Prize. However, considering that their strict father won't approve of it, Yu decides to write in Suzuka's place as a writer, Towa no Chikai. Meanwhile, this incident sparks a change in his sister, who has always been strict with herself...?! The anime adaptation began airing in October 2018 and has become a hot topic as a "love comedy about a clumsy brother and sister who connect through light novels." This time, we'll introduce the protagonist of "My Little Sister is My Little Sister, But She's Not My Little Sister," Yu Nagami.

A first-year high school student with dreams of becoming a light novel writer!

Nagami Yu with a wry smile
Source: My Little Sister is My Little Sister, But She's Not My Little Sister ©2018 Ebisu Seiji, Gintaro/KADOKAWA/Imoimo Production Committee
Nagami Yu, the protagonist of "My Little Sister is My Little Sister, But She's Not My Little Sister," is an ordinary first-year high school student. He became obsessed with light novels in middle school and apparently began writing his own. Dreaming of making his debut as a light novel author, he has repeatedly submitted his works to new writer awards, but has always been rejected in the first round. However, he continues to try without giving up.

 

A Kind Older Brother Who Loves His Little Sister

Nagami Yu Standing Behind His Little Sister
Source: My Little Sister, But She's Not My Little Sister ©2018 Ebisu Seiji, Gintaro/KADOKAWA/Imoimo Production Committee
Nagami Yu, a light novel otaku, dreams of becoming a light novel author. However, while he struggles to make his debut, one day, his younger sister, Nagami Suzuka, sends him a work on a whim and it wins the grand prize. The work in question was a light novel titled "The Story of a Little Sister Who Loves Her Big Brother Too Much, Getting into Trouble," written under the pen name Towa no Chikai. Suzuka had decided to debut as an author with a brother-sister story, something that Yu would never have imagined. However, due to her strict father's refusal to allow her to work, and part-time jobs are prohibited at school, Suzuka asked Yu to work in her place as Towa no Chikai. At first, Yu was hesitant, saying, "Making a debut with someone else's work..." But seeing Suzuka's teary-eyed request, he seemed to want to help, and accepted her request. He's a kind older brother who is willing to make big decisions for his sister.

A fan of Enryuuen! A bit of a middle school syndrome?

Nagami Yu Immersed
Source: My Little Sister is My Little Sister, But She's Not My Little Sister ©2018 Ebisu Seiji, Gintaro/KADOKAWA/Imoimo Production Committee
Nagami Yu regularly reads numerous light novels, but he seems to particularly enjoy the works of Enryuu Hon (Himuro Mai). He has memorized many of the spells that appear in Enryuu Hon's work, "Sky Magic Garden," and sometimes immerses himself in the work while actually chanting them. However, once his otaku switch is turned on, he seems to lose sight of his surroundings, giving the impression of being a middle school second-year with a complex.

 

He's the type who can't abandon people in trouble

Nagami Yu with his mouth closed
Source: My Little Sister is the One I Love, But She's Not My Little Sister ©2018 Ebisu Seiji, Gintaro/KADOKAWA/Imoimo Production Committee
At the request of his younger sister, Nagami Suzuka, Yu reluctantly makes his debut as a writer under the name Towa no Chikai. As this suggests, Yu seems to be the type who can't abandon people in trouble. When fellow light novel author Himuro Mai was struggling to write a good novel, he desperately searched for an answer as to how to help her overcome her worries.

 

The voice actor for Nagami Yu in the anime version is Hatanaka Yuu

Nagami Yuu in a daze
Source: My Little Sister is the One I Love, But She's Not My Little Sister ©2018 Ebisu Seiji, Gintaro/KADOKAWA/Imoimo Production Committee
Yuu Hatanaka voices Nagami Yuu in "My Little Sister is the One I Love, But She's Not My Little Sister," which began airing in October 2018. In the past, he has voiced characters such as Go Nagakura in "Battery" and Denki Kaminari in "My Hero Academia."

Nagami Yu Summary!

Nagami Yu with an Embarrassed Face
Source: My Little Sister is the One I Love, But She's Not My Little Sister ©2018 Seiji Ebisu, Gintaro/KADOKAWA/Imoimo Production Committee
What did you think? This time we introduced Nagami Yu, the main character of "My Little Sister is the One I Love, But She's Not My Little Sister." Although he is an ordinary protagonist, he has the charm to be liked by many girls. However, he is actually very caring towards his sister, and is also a passionate high school student who continues to work hard without giving up on his dreams. Please pay attention to the main character, Nagami Yu. Thank you for reading to the end.

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