Note: First Appearance means the chapter of the Japanese tankōbon in which the character first appeared.
I define major character to mean a named character that has appeared in ten or more chapters.
| Character | First Appearance |
Name in kana and kanji |
|---|---|---|
| Natsumi Tsujimoto | 1.1 | 辻本夏実 |
| Miyuki Kobayakawa | 1.1 | 小早川美幸 |
| the Chief | 1.3 | 課長 |
| Ken Nakajima | 1.15 | 中嶋剣 |
| Yoriko Nikaidō | 1.18 | 二階堂頼子 |
| Futaba Aoi | 4.52 | 葵双葉 |
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| Earl C. Gero | Last Modified: July 16, 1997 |