Kei Shirogane

Japanese Name 白銀 圭
Romaji Name Shirogane Kei
Nicknames (None available)
Series Kaguya-sama wa Kokurasetai: Tensai-tachi no Renai Zunousen
Age (Unknown)
Weight (Unknown)
Height 158 cm
Date of Birth August 1
Blood Type B


Kei Shirogane, a character from “Kaguya-sama wa Kokurasetai: Tensai-tachi no Renai Zunousen,” is portrayed as a hardworking and responsible individual. As the younger sister of Miyuki Shirogane and a second-year student at Shuchi’in Academy, Kei takes on the role of the current treasurer of the middle school student council. She displays a level-headed and mature demeanor, often demonstrating a strong sense of duty and commitment to her responsibilities.
Despite her serious nature, Kei also possesses a caring and compassionate side. She values her relationships and is particularly close to Chika Fujiwara, a fellow student and member of the student council. Kei’s friendship with Chika’s younger sister, Moeha, is also emphasized, as they spend time together and occasionally have sleepovers at each other’s houses.

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Kei Shirogane’s background is closely tied to her role as Miyuki Shirogane’s younger sister. As a member of the Shirogane family, she shares a familial bond with the series’ protagonist. Kei’s involvement in the student council and her position as treasurer suggest that she has inherited a sense of responsibility and dedication from her family.
While specific details of Kei’s personal history are not explored extensively in the series, it is known that she attends Shuchi’in Academy as a middle school student. Kei’s interactions with other characters, such as Chika and Moeha, further contribute to her background and highlight her social connections.


In terms of appearance, Kei Shirogane is portrayed as an attractive young girl with striking features. She has short, light-colored hair and a slender build. Kei’s height is 158 cm, which is average for her age. Her design portrays a typical middle school student, reflecting her role as a supporting character in the series.


While Kei’s abilities are not explicitly shown in the series, her role as the treasurer of the middle school student council suggests that she is skilled in financial management and organization. As a responsible and dedicated individual, Kei likely has strong attention to detail and the ability to handle administrative tasks with efficiency.
However, it is important to note that Kei’s character in “Kaguya-sama wa Kokurasetai: Tensai-tachi no Renai Zunousen,” and her skills are not central to the main plot.


Kei Shirogane is from the manga and anime series “Kaguya-sama wa Kokurasetai: Tensai-tachi no Renai Zunousen” created by Aka Akasaka. The series revolves around the romantic comedy interactions between various characters attending the Shuchi’in Academy, including Kei’s older brother, Miyuki Shirogane, and the titular character, Kaguya Shinomiya.
As a supporting character, Kei’s role adds depth to the story by providing insight into the Shirogane family dynamic and contributing to the overall narrative. Her presence enhances the interpersonal relationships within the student council and contributes to the comedic and dramatic moments that unfold throughout the series.

Kei Shirogane – FAQ

Who is Kei Shirogane?

Kei Shirogane is a character from the manga and anime series “Kaguya-sama wa Kokurasetai: Tensai-tachi no Renai Zunousen” (commonly known as “Kaguya-sama: Love is War”). She is the younger sister of the main protagonist, Miyuki Shirogane, and plays a supporting role in the series.

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What is Kei Shirogane’s personality like?

Kei Shirogane is portrayed as a cheerful and energetic character. She is known for her bubbly and outgoing personality. Unlike her serious and studious brother, Kei is more carefree and enjoys having fun. She often provides comic relief in the series with her humorous antics.

What is the relationship between Kei Shirogane and Miyuki Shirogane?

Kei Shirogane is the younger sister of Miyuki Shirogane. They have a close sibling relationship and care deeply for each other. Kei looks up to her brother and often asks for his advice. Miyuki is also protective of Kei and wants her to be happy and successful.

Does Kei Shirogane go to the same school as Miyuki Shirogane?

Yes, Kei Shirogane goes to the same school as Miyuki Shirogane. She is a student at the Shuchi’in Academy, which is the main setting of the series. However, unlike her brother, Kei is not a member of the student council and holds no official position at the school.

Does Kei Shirogane have a romantic interest?

As of my knowledge in September 2021, Kei Shirogane does not have a romantic interest portrayed in the series. Her character primarily serves as a supporting role to the main characters and contributes to the comedic aspects of the story.

Are there any notable moments involving Kei Shirogane in the series?

While Kei Shirogane doesn’t have a central role in the series, there are several notable moments involving her character. One significant moment is when she first appears in the story, bringing a lively and energetic dynamic to the narrative. Additionally, Kei’s interactions with other characters, especially her brother Miyuki, often provide humorous and heartwarming moments throughout the series.