 If you liked
Koushaku Reijou no Tashinami
|
 ...then you might like
Fangkai Nage Nuwu
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Release that Witch and Accomplishments of the Duke's Daughter are quite similar in that they are both fantasy reincarnation series. The protagonists from both series bring inventions and innovations from their experiences in their previous lives on Earth. Furthermore, both series involve war and a succession crisis among royalty. Thus, if you enjoyed Release that Witch, Accomplishments of the Duke's Daughter is another series with a similar premise.