If you liked
Dennou Coil
|
...then you might like
Summertime Render
|
Both have an eerie atmosphere with a mix of sci-fi / glitch and rural supernatural mystery.
If you liked
NHK ni Youkoso!
|
...then you might like
Kenja ga Nakama ni Natta!
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Both have a mysterious girl helping the MC with their psychological problems~
If you liked
Vinland Saga
|
...then you might like
Hawkwood
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Seinen, historical, action-packed, medieval age. Both main characters are based on real historical personage. And both of them starts immediately in the heat of siege warfare. Though later in the show they may deviate some more as Vinland Saga focus more on England / Denmark, revenge and exploration(?), while Hawkwood is still centered around battle, warfare and army building.
If you liked
Ajin
|
...then you might like
Yoru ni Naru to Boku wa
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Both series have a young male protagonist with special ability to conjure shadow creature. Both protagonists gets "hunted" / they have to live in hiding. In Ajin though, the protagonist rather tries to stop the crimes of his brethren~~
If you liked
Charlotte
|
...then you might like
Kiznaiver
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Spoiler? Both are about children and research. Underground/ hidden because it's inhumane...
If you liked
Darker than Black: Kuro no Keiyakusha
|
...then you might like
91 Days
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Baccano was already recommended so i wanted to recommend another... Both deals with crime and have the same atmosphere/ feeling (dark, 'eerie', violent) 'Waging war in the dark' and both goes under the seinen genre i guess
If you liked
Koukaku no Regios
|
...then you might like
Kuusen Madoushi Kouhosei no Kyoukan
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By far the better one if you like: Tournaments/ duels with magic swords A strong protagonist who leads a "strong team" Fighting bugs/ monsters in a post-apocalyptic world (One is a flying city, while in chrome shelled regios we have a moving capsulated city