If you liked
Onegai☆Teacher
|
...then you might like
Ano Natsu de Matteru
|
It is almost the exact same story. Not really surprising, considering that both stories were written by the same person. I'd say Ano Natsu de Matteru is more mature and overall, a better story. The similarities lie in the following: An alien girl comes from space to Earth, gets into a romantic relationship with a nerdy guy and that is basically it. If you liked one, you will probably like the other one as well, give it a shot.
If you liked
Gosick
|
...then you might like
Dantalian no Shoka
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Both are set in a historical period. Both have a young small girl. Both of them are sort of bookworms and are pretty smart, even though I would say Victorique from Gosick is way smarter. All in all they have a similar vibe and feel. They feel sort of similar even though the story is different.
If you liked
Haibane Renmei
|
...then you might like
Angel Beats!
|
Very similar premise. While it is clear in Angel Beats that it is about a sort of "after life", in Haibane Renmei it is not said exactly but it is very obvious. These shows are similar in concept but different in execution. Angel Beats focuses more on action and comedy while Haibane Renmei is more deep.
If you liked
Rec
|
...then you might like
Tonikaku Kawaii
|
In both a girl and a guy start living together where romance develops. In both the girl starts living with the guy. Both shows depict their lives. In Rec, their lives become intertwined with a job aswell.
If you liked
Mirai Nikki (TV)
|
...then you might like
Darwin's Game
|
If you liked Mirai Nikki, you will probably also like Darwin's Game. Both anime revolve around a phone "game" and the first arc of Darwin's Game is a Battle Royale arc which is the whole of Mirai Nikki. There is also a crazy chick who likes the MC(buut in D-Game she isn't as crazy as in MN) So in conclusion: -Both revolve around a phone -Both are Battle Royale -In both a crazy chick likes the MC
If you liked
High School DxD
|
...then you might like
Shinmai Maou no Testament
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It is basically a rip off of High School DxD but is so well made that it is completely seperate from it. It has its own story and it is a bit more ecchi than High School DxD. The main heroine (Mio) is also red headed like Rias and there are much more similarities but as I said it is completely different and if you liked High School DxD it is definitely worth watching.