Total Recommendations: 2
If you liked
High School DxD
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...then you might like
Shinmai Maou no Testament
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Both consist of demons and the protagonistt trying to protect his family/friends. It also contains very similar ecchi and harem situations.
If you liked
Toradora!
|
...then you might like
Nisekoi
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Very much same situation. One guy likes a different girl, but can't get with them for reasons. Some sort of violence is invloved.