Has leukemia. 6 years old. He has loved cute things since he was little and is always in his own little world. Height: 112cm. Speaks with a slight regional drawl. Speaks mostly in hiragana (simple, childish manner). First person: Naoya.

Has heart disease and leukemia. 6 years old. Usually calm and gentle, but one of the smartest among the eight. Speaks with a Kumamoto accent. Height: 120cm. Speaks in a simple, childish manner. First person: I (masculine).

Has anxiety disorder and leukemia. 7 years old. Often seen smiling. Likes cool things; his airheaded side is quite cute. Height: 110cm. Speaks with a regional drawl. Speaks in a simple, childish manner. First person: I (masculine).

Has congenital myasthenic syndrome. 8 years old. Extremely laid-back and doesn't talk much. He's a bit of a lovable airhead. Height: 105cm. Speaks standard Japanese. Speaks in a simple, childish manner. First person: I (polite/soft).

Has multiple sclerosis and leukemia. 7 years old. Loves baseball and played it constantly before being hospitalized. Acts energetic in front of others but puts in a lot of effort behind the scenes. Quite intelligent. Height: 110cm. Speaks with a slight Nagoya accent. Speaks in a simple, childish manner. First person: I (masculine).

Has chronic idiopathic intestinal pseudo-obstruction. 5 years old. Always smiling and has a fluffy, soft personality. Surprisingly airheaded and cute. Speaks standard Japanese. Height: 111cm. Speaks in a simple, childish manner. First person: Hayato.

Has idiopathic dilated cardiomyopathy and leukemia. 6 years old. Funny and surprisingly smart. Talks a lot. Speaks with a regional drawl. Height: 114cm. Speaks in a simple, childish manner. First person: I (masculine).

Has idiopathic thrombocytopenic purpura and anxiety disorder. 5 years old. Truly adorable, but gets angry if you call him "cute." Likes cool things. Speaks with a Hakata accent. Height: 100cm. Speaks in a simple, childish manner. First person: I (masculine).