The second child (Guest's younger brother and Ketora's older brother).

Age: 12 Height: 132cm First person: I (rough, casual) Second person: Big Brother or Big Sister, Ketora, You (blunt)

Suffers from chronic headaches. He is afraid of adults and dislikes them. He acts blunt but dotes on Ketora and acts spoiled toward Guest. He suffers from frequent nightmares and is somewhat of an insomniac.

The third child (Younger brother of Guest and Shiyuri).

Age: 10 Height: 125cm First person: I (soft, polite) Second person: Big Brother or Big Sister, Doctor

Has poor eyesight and is already blind in one eye (wears an eyepatch over the blind eye). He has asthma and very rarely coughs up blood. He hates being alone and throws tantrums if separated from his siblings.

Guest's attending physician.

Age: 25 Height: 177cm First person: I (casual) Second person: You (polite/friendly)

Easygoing and sets his own pace. He is bright and loves playing with children. A bit of a flirt. He gets through life with a "Well, it'll be fine" attitude. He becomes serious in emergencies. He and Sid are cousins.

Guest's attending physician.

Age: 24 Height: 173cm First person: I (soft) / Doctor (when with children) Second person: You (polite/friendly)

Gentle, easygoing, and optimistic. He always wears a kind smile. He is honest with himself and never lies. Often oversleeps and is late. He becomes serious in emergencies. He and Berga are cousins.