If you liked
Black★Rock Shooter (TV)
|
...then you might like
Mayoiga
|
Both shows involve characters with issues and emotional traumas that manifest physical form and play a huge role in story development.
If you liked
Kämpfer
|
...then you might like
Hundred
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Both are harem and involve manifesting weapons and fighting.
If you liked
Grisaia no Kajitsu
|
...then you might like
Mayoiga
|
Both shows involve a cast of people who have had tough pasts and desire to escape them. Mayoiga has that "horror" hint to it whereas Grisaia doesn't. Grisaia has a smaller cast than Mayoiga which allows a clear story and character development (in my opinion) I'm surprised no one else has recommended Grisaia for Mayoiga.
If you liked
Black Bullet
|
...then you might like
Owari no Seraph
|
Both shows have a virus that kills the population with an exclusive bunch that survives (young girls) in black bullet and (kids under age 13 in Owari). Humanity struggles to fight back and survive in both shows. black bullet is more monster alien-ish and owari has vampires
If you liked
Strike Witches
|
...then you might like
Kantai Collection: KanColle
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The whole girls fighting with machines against invading monsters prospect is the same in both shows. And both of the main characters are plain and normal but have great latent potential. So kancolle is just like strike witches with less echi.