A female minus checker from Eden who openly flaunts her love for Kagetsuya and her scorn for the Earthian. She constantly makes it known to everyone that she would rather be Kagetsuya's partner, but not so much that she would convert to a plus checker. She gets worked up easily and is deeply envious of Chihaya.

Angels from the planet Eden have been watching Earthians, the inhabitants of Earth, for 5 billion years. Chihaya, an angel with unlucky black hair and wings, is a plus checker who travels to Earth with Kagetsuya, a minus checker. Each team of plus and minus checkers keep track of Earth events and, if the score ever reaches minus 10,000, the Earth will be destroyed. The story follows Chihaya and Kagetsuya and the different people and events they observe on Earth. 
 
(Source: Anime News Network)

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It's present day, and Archangel Michael is fed up with the pathetic development of the human species. The angels, in their world high above ours, have been given the choice between destroying or preserving humanity. This will be decided by having "Plus Checkers" looking for good points and "Minus Checkers" looking for bad points, and whichever finds 10,000 points first decides the outcome. Chihaya and Kagetsuya are angels who have known each other since their days at military school in Eden, and having taken up opposing sides of this "good vs. bad points" checking system, are teamed together during their stay on Earth. 
However, Chihaya is unusual even by angelic standards&mdash;he has black hair, eyes and wings. He's one-of-a-kind, unusually powerful in spite of his naive demeanor (much to Kagetsuya's dismay), but set apart from his angel kin...until the Black Cancer strikes the heavenly population, darkening the wings and hair of its victims before spiraling them down into painful death. Tension builds among the angels and between Chihaya and Kagetsuya in particular, and it looks as if the secrets to the salvation or destruction of both Earth and Eden may lie with Chihaya himself. (source: BLU Manga)

Earthian's "Secret Garden" collection is a compelling anthology featuring extra stories from the Earthian universe. Filled with heartbreaking tales of the forbidden relationship between Lord Michael and Raphael, this volume also includes a never-before-seen bonus story specifically created for this edition. As a fitting epilogue to the unforgettable manga series, readers can catch a glimpse of the future of some characters featured in the original story. Includes special notes by Kouga-sensei. 
 
(Source: BLU Manga)

Aya