Kotoko Aihara

Original Name 相原 琴子
Romaji Name Aihara Kotoko
Nicknames Kotoko Irie
Series Itazura na Kiss
Age Varies depending on the adaptation
Weight Varies depending on the adaptation
Height Varies depending on the adaptation
Date of Birth September 28
Blood Type Varies depending on the adaptation

Kotoko Aihara from “Itazura na Kiss

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Kotoko Aihara, the main female protagonist of the anime and manga series “Itazura na Kiss”, is known for her spirited and determined personality. Despite not being academically strong, as she was in the lowest class throughout high school, Kotoko has a resilient and optimistic nature. She is deeply in love with Naoki Irie, the handsome and intelligent male lead of the series, and her unwavering affection for him drives her actions and decisions. Kotoko is often portrayed as clumsy and prone to getting into trouble, but she consistently demonstrates her determination to overcome obstacles and achieve her dreams.


Kotoko Aihara’s story begins during her freshman year of high school, when she falls in love with Naoki Irie after witnessing his impressive speech at the opening ceremony. After a small earthquake destroys her family’s newly built home, Kotoko and her father move into the Irie household. Her father and Naoki’s father are close friends from their school days, which leads to their living arrangement. This sets the stage for Kotoko’s journey of love and growth as she navigates her relationship with Naoki and strives to get closer to him.


Kotoko Aihara is portrayed as a charming and attractive young woman. She has long brown hair that falls in gentle waves and expressive, warm brown eyes. Her appearance is often described as sweet and endearing, complementing her enthusiastic and vivacious personality. Kotoko’s fashion sense is typically casual, reflecting her carefree and down-to-earth nature.


While Kotoko Aihara may not excel academically, she possesses several admirable qualities and abilities. Her greatest strength is her unwavering determination and resilience. Kotoko’s spirit and optimism allow her to persistently pursue her goals, even when faced with challenges or setbacks. She is also known for her ability to bring out the best in others, often inspiring and motivating those around her.


Kotoko Aihara originates from the anime and manga series “Itazura na Kiss” written by Kaoru Tada. The series, which ran from 1990 to 1999, follows the romantic journey of Kotoko and Naoki Irie. It gained popularity for its heartwarming story, relatable characters, and exploration of themes such as love, growth, and perseverance. The character of Kotoko Aihara has become a beloved figure among fans of the series for her optimistic nature and unwavering love for Naoki.
Please note that the above information is based on the character profile of Kotoko Aihara from MyAnimeList.net and additional sources as necessary.

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Kotoko Aihara – FAQ

Who is Kotoko Aihara?

Kotoko Aihara is the main protagonist of the manga and anime series “Itazura na Kiss” written by Kaoru Tada. She is a happy and optimistic high school student who has a crush on Naoki Irie, one of the smartest and most popular boys in her school.

What is Kotoko’s personality like?

Kotoko is known for her energetic and outgoing personality. She is always positive and tries her best to make the best of every situation. Despite facing many challenges, she remains resilient and never gives up. Kotoko can be clumsy at times, but she is also caring, kindhearted, and fiercely loyal to her friends and loved ones.

What are Kotoko’s strengths and weaknesses?

Kotoko’s strengths lie in her determination and ability to adapt to difficult circumstances. She works hard and is willing to put in the effort to achieve her goals. Her optimistic nature helps her to overcome obstacles and maintain a positive outlook on life. However, Kotoko can also be impulsive and naive, sometimes rushing into situations without thinking them through. She may lack confidence in her abilities and often underestimates herself.

How does Kotoko’s relationship with Naoki Irie develop?

Kotoko’s relationship with Naoki Irie begins as a one-sided one, as Kotoko has had a crush on Naoki since high school. Naoki initially shows little interest in Kotoko and rejects her advances. However, due to various circumstances, Kotoko ends up living under the same roof as Naoki and his family. Over time, their interactions increase, leading to a slow but gradual development of their relationship. Naoki begins to appreciate Kotoko’s unwavering love and support, and their relationship evolves into a deep bond filled with love and understanding.

What are some memorable moments involving Kotoko in “Itazura na Kiss”?

There are several memorable moments involving Kotoko in the series. One significant moment is when she mustered up the courage to confess her love for Naoki in front of the entire high school, knowing that he might reject her. Another memorable moment is when Kotoko starts working hard to pursue her dreams and eventually becomes a nurse. Her determination and growth throughout the series leaves a lasting impression on the audience.

Does Kotoko face any challenges or obstacles in the show?

Yes, Kotoko faces many challenges and obstacles in “Itazura na Kiss”. Not only does she have to deal with Naoki’s initial rejection, but she also has to navigate the complexities of their relationship and overcome the obstacles posed by Naoki’s family. In addition, Kotoko faces academic struggles and must work hard to improve her grades. Throughout the series, she encounters setbacks and hardships, but always manages to find a way to overcome them.