Kuzuha Togashi（Love, Chunibyo & Other Delusions ）

出典 : Amazon.co.jp

“I want to fall in love, even if I’m a neuter. She is the older sister of Togashi Yuta, the protagonist of “The Last House on Earth”.
Initially, she was in the first year of junior high school, but during the story, she was promoted to the second year.
Her name is “Kuzuha”.

Unusually for a younger sister, she neither loves nor hates her brother excessively, and has a very normal relationship with him.
She is a responsible person who handles all the household chores of the Togashi family in place of her parents who are often absent.
By the way, he doesn’t appear in the original story.

The voice actor in charge of the anime is Kaori Fukuhara.

Nunnally Lamperouge（Code Geass series）

出典 : Amazon.co.jp

She is the younger sister of Lelouch Lamperouge, the protagonist of the “Code Geass” series.
She is 14 years old.
Like Lelouch, she is a former member of the royal family, and she is unfortunate enough to have lost her eyesight due to the psychological shock of being unable to walk because of the injuries to both of her legs when she was involved in her mother’s assassination.

Because of this, her brother, Lelouch, is very protective of her.
She questions and condemns her brother’s behavior, which seems to be out of control, but in the final phase of the story, she learns his true intentions and learns of his deep love for her.

The voice actor in charge of the anime is Kaori Nazuka (Kaori Nazuka).

Kirino Kousaka（My sister couldn’t possibly be this cute.）

出典 : Amazon.co.jp

She is the heroine of “My sister couldn’t possibly be this cute” (My Little Sister Isn’t This Cute) and the younger sister of the main character, Kyosuke Kosaka.
She is a junior high school eighth grader who works as an exclusive model for a fashion magazine, but in fact, she is a severe otaku.
She calls her brother “you”, sometimes by his name, sometimes by his brother, and sometimes by his brother, and is called Kirino, Kirino-chan, Mr. Kiririn, Kiririn-san, etc. by people including her brother.

At first, she pretended to be indifferent to her brother, but after her brother was exposed by Otaku, they became affectionate through various events.
The relationship has a happy ending, which is unusual for a real sister character.

The voice actor in charge of the anime is Taketatsu Ayana.

Kei Sirogane（Kaguyasama Love is war.）

出典 : ©赤坂アカ／集英社・かぐや様は告らせたい製作委員会 : TOP | TVアニメ『かぐや様は告らせたい～天才たちの恋愛頭脳戦～』公式サイト

She is the younger sister of Miyuki Shirogane, the male protagonist of “Kaguya-sama wa Tsutsumi wo Koetemasete”.
She is in the second year of junior high school and is the treasurer of the student council, and her brother calls her Kei-chan.

Since she is in the middle of her rebellious period, she often acts annoyed with her brother inside the house, but she seems to be proud of her brother when he is praised by others and secretly admires him.
However, she gets mad when she puts a waist pouch on her brother’s waist.

The voice actor in charge of the anime is Sayumi Suzushiro (Suzushiro Sayumi).

Tukihi Araragi（Story Series）

出典 : Amazon.co.jp

She is the younger sister of Araragi Koyomi, the protagonist of “The Story Series”.
She is in the second year of junior high school and has the street name “Fire Sisters” with her older sister Karen.
She is called Tsukihi-chan by Koyomi, and she seems to be cared for in some way.

In contrast to her mature appearance, Tsukihi has a temper and a violent temper, and she has been compared to a nuclear weapon.
However, despite having an older boyfriend, she tolerates her brother’s sexual harassment, and they seem to get along well.
In fact, the monster mimics a human being and recovers from fatal injuries.

The voice actor in charge of the anime is Iguchi Yuka.

Karen Araragi（Story Series）

出典 : Amazon.co.jp

She is Koyomi’s younger sister and Tsukihi’s older sister.
Karen is called Karen-chan by Koyomi, and she is adored in many ways like Tsukihi.

She seems to have a masculine and crass personality, and has a complex about her height, and has a sensitive side, such as when she is told that she doesn’t look good in girly clothes.
Although she is not a monster, she is monstrous in a different way, as her physical abilities far surpass those of ordinary people.

The voice actor in charge of the anime is Eri Kitamura (Kitamura Eri).

Nagisa Akatuki（Strike the Blood）

出典 : Amazon.co.jp

She is the younger sister of AKATSUKI Kojo, the heroine of Strike the Blood.
She is a junior high school student and classmate of the heroine, Yukina Himehiragi.
Her name is “Nagisa”.

Although she calls her brother and her parents with “kun” and “chan”, it seems that they are related to each other by blood.
She is a bright, friendly and well-liked younger sister who does almost all the household chores, including cooking, and is a source of pride to her brother.
She has inherited both her grandmother’s and mother’s abilities, making her a rare mixed-blooded person.

The voice actor in charge of the anime is Hidaka Rina.

Komati Hikigaya（My Youth Romantic Comedy Is Wrong）

出典 : Amazon.co.jp

She is the younger sister of Hikigaya Yawata (Hikigaya Hachiman), the protagonist of “As I thought, my adolescent romantic comedy is wrong. ), she is the younger sister of Hikigaya Hachiman, the main character in “As I See It, My Youth Romantic Comedies Are Wrong”.
She is in the third year of junior high school, and although her grades are not very good, she is the student council president.
She calls Yahata her “big brother” and her first name is Komachi.

In contrast to his cynical older brother, he is sociable and cooperative, but he also prefers to go it alone, and he lives his life to the letter so as not to be isolated from his surroundings.
He has a good relationship with his brother and is the most understanding person in the world.
She is the type to get angry quietly, so when she gets angry, it lasts longer, but unlike her brother, she is very clear-headed and does not get angry until after they have made up.

The voice actor in charge of the anime is Aoi Yuki.

Mizuki Yuiga（We Never Learn）

出典 : ©筒井大志／集英社・ぼくたちは勉強ができない製作委員会 : TVアニメ「ぼくたちは勉強ができない！」公式サイト

The eldest sister of Masayuki Yuiga, the protagonist of “We Never Learn” .
She is in the third year of junior high school and is the head of the swimming club. He is wary of girls (especially Bunno) who approach him.
Her name reads “Mizuki”.

He’s a pretty severe blacon, and although he doesn’t get many opportunities to appear in the comics’ interludes and in the anime’s The scene is often depicted in eye catching and other media.
Apart from that, she is a younger sister who can do all the household chores, including cooking, with her outstanding skills.

The voice actor in charge of the anime is Marika Kono.

Kaede Azusagawa（Rascal Does Not Dream of Bunny Girl Senpai）

出典 : Amazon.co.jp

She is the younger sister of Sakuta Azsagawa, the main character in “Rascal Does Not Dream of Bunny Girl Senpai ” She is in the third year of junior high school, but due to being bullied, she became mentally ill and did not go to school for a long time.
In addition, because she suffered from puberty syndrome, her other personality “Azusa River Kaede” was born and her memories of her master Kaifu were lost.

Kaede is a sweet-natured girl who adores her older brother, Sakita, and he helps her move forward as much as possible, building a good relationship with her.
This relationship doesn’t change after Kaede becomes Hanafuda and returns to her original character.

The voice actor in charge of the anime is Yurika Kubo (Kubo Yurika).