Reika isn't in Ginga Nagareboshi Gin. She only appears in Ginga
Densetsu Weed.
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in my opinion yes
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"Ginga: Nagareboshi Gin" character list - see related link below
.
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Ginga Nagareboshi gin - 1986 is rated/received certificates
of:
Denmark:15
Finland:K-11
Sweden:11
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You can buy the English translated version of Ginga Nagareboshi Gin Vol 1-18 from online retailers such as Amazon, Barnes & Noble, or Right Stuf Anime. You may also find them at local comic book stores or specialty manga shops.