The story was good except for the ending. Many liked this end though. They brought it to be a happily ended series.
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I wish TOFU to end up with Nut rather than reviving Tatarn and patching him up with Nut.
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May be I would have been more happy to see, after the death of TOFU and the return of Tarn, Nut Apologizing to Tarn and moving on from his past with the memories of TOFU.