If you liked
D.Gray-man
|
...then you might like
Tegamibachi
|
Both have almost the same kind of traces, aspects and world, besides the "dark" atmosphere they transmit. The action part is the same kind too.
If you liked
Chrno Crusade
|
...then you might like
Trinity Blood
|
Both have a lot of elements in common like the fights between monsters (vampires) and humans, with institutions of the church tha fights against such monsters, althoug the involving and dramatic plot.
If you liked
Tales of Symphonia
|
...then you might like
Tales of the Abyss
|
Both shounen titles from the same game series, if you liked one, sure thing you'll like the other.
If you liked
Ouran Koukou Host Club
|
...then you might like
Otome wa Boku ni Koishiteru
|
Both have these themes: comedy, cross dressing and a bit of shoujo.
If you liked
Noir
|
...then you might like
Phantom The Animation
|
Hitman stories, with a bit of drama and lot of action.
If you liked
Rurouni Kenshin: Meiji Kenkaku Romantan - Tsuioku-hen
|
...then you might like
Stranger: Mukou Hadan
|
Both have a lot of blood, gore, tragedy and sword fights.
If you liked
xxxHOLiC
|
...then you might like
Kaibutsu Oujo
|
Similar main characters with both being slaves to a powerful woman. Supernatural theme with monsters and spirits.
If you liked
Tokyo Godfathers
|
...then you might like
Kure-nai
|
Both show characters on though situations, taking care of children while solving the problems around.
If you liked
InuYasha
|
...then you might like
Wagaya no Oinari-sama.
|
Both have almost the same theme and focus on battle against demons, and main characters that looks the same (Inuyasha = Tenko, Kagome = Noboru, etc.).