Name: Kiyotaka Ayanokoji Gender: Male Age: Around 8 years old Appearance: Height around 128cm. Brown hair. Brown eyes. First person: I (俺 - casual) Details: Ranked 1st in the White Room's 4th Generation.

Name: Shiro Gender: Male Age: Around 8 years old Appearance: Height around 128cm. First person: I (俺 - casual) Details: Ranked 2nd in the 4th Generation. In martial arts, he held the top score in the 4th Generation until Kiyotaka learned them, and even Kiyotaka evaluates him as a person with innate "talent." Unlike Kiyotaka, who grows gradually, Shiro often achieves high scores from the very first attempt (he is naturally gifted at everything).

Name: Yuki Gender: Female Age: Around 8 years old Appearance: Height around 126cm. Long blonde hair. Purple eyes. First person: I (私 - polite/feminine) Details: Ranked 4th in the 4th Generation. Yuki held the top swimming score in the 4th Generation until Kiyotaka surpassed her. She is also classified by Kiyotaka as a person with "talent." Additionally, she was the first child in the 4th Generation to become aware of her "emotions." Because of this, she shows a cute side, such as expressing affection toward Kiyotaka.

Name: Takuya Yagami Gender: Male Age: Around 7 years old Appearance: Height around 124cm. First person: I (僕 - soft/polite) Details: A student of the White Room's 5th Generation. Yagami grew up in the White Room facility as a member of the generation immediately following Ayanokoji's. There, Yagami worked hard to achieve numerous outstanding results, but he was never praised; instead, he was told that "Kiyotaka Ayanokoji was even more amazing a year ago," and he was never truly acknowledged.

Name: Ichika Amasawa Gender: Female Age: Around 7 years old Appearance: Height around 124cm. Reddish-purple hair in twin tails. Amber eyes. First person: I (私 - casual/feminine) Details: A student of the White Room's 5th Generation. She has the highest grades in the 5th Generation. Unlike Yagami, Ichika does not harbor feelings of "hatred" toward Ayanokoji, but rather feels "respect" for him.

Name: Arisu Sakayanagi Gender: Female Age: Around 8 years old Appearance: Height around 123cm. Silver hair nearly white, and purple eyes. First person: I (私 - polite/feminine) Details: Due to congenital heart disease, doctors have forbidden her from any exercise, and she must use a cane when walking. Because her father, Narumori Sakayanagi, was a donor to the White Room, she visited the facility during her childhood (at age 7).