So... is Iketeru Futari finished or not?
NO, it is not finished.
Why?
The anime finished before the manga:
Anime finished: February 26, 1999
Manga finished: April 26, 2010
MangaUpdates contains information about the anime adaptation and indicates that it is incomplete.
Watching Order (by release date)
Here you have all the anime relations we detected ordered by release date, so you can see the reason for this status in context and also use it as watching order.
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Synopsis
Iketeru Futari centers around Keisuke Saji, a teenage boy with a strong interest in girls, particularly the attractive Akira Koizumi.
His romantic pursuits, however, are complicated by Akira's intense dislike of men, a sentiment she expresses with surprising force.
Despite Akira's hostile reactions and frequent rejections, Keisuke remains undeterred in his quest to win her over.
The anime likely follows the comedic and potentially awkward interactions between these two as Keisuke persistently tries to charm a girl who actively despises him.