 If you liked
Omae ga Sekai wo Kowashitai nara
|
 ...then you might like
Vampire Juujikai
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Both manga are very plot-driven Vampire manga that focus on the dark and complex pasts of the protagonists. Also, both manga have subtle romance that play a bigger role as the plot progresses. However, Omae ga Sekai o Kowashitai Nara offers a very realistic approach to vampires while Vampire Juuji Kai is serious twist to magical fantasy vampires.