Choujin Densetsu Urotsukidouji

Both titles were released in 1987. Both titles are action-packed anime filled with violence, blood, gore and plenty of hellish demonic monsters. As well as similar animation and a similar vibe. They both deal with the main protagonist (Akira Fudo/Devilman and Amano Jaku) fighting other demons that are trying to destroy humanity. However, Urotsukidouji contains graphic scenes of rape and sex while Devilman doesn't. If you like one, you should enjoy the other.  

Both Wicked City and Urotsukidoji: Legend of the Overfiend are late 1980s horror action anime with a similar vibe and atmosphere. Both anime are concerned with mankind being endangered by the presence of demons from another realm. Both anime have explicit sequences of violence, blood, gore, sex, and nudity. However, Urotsukidoji: Legend of the Overfiend can be more erotic and gory than Wicked City at times. If you liked one, you'll like the other.  

Both titles were released in a similar time period (late 1980's - early 1990's). Both titles are action-packed anime filled with violence, blood, gore and plenty of hellish demonic monsters. As well as similar animation and a similar vibe. They both deal with the main protagonist (Akira Fudo/Devilman and Amano Jaku) fighting other demons that are trying to destroy humanity. However, Urotsukidouji contains graphic scenes of rape and sex while Devilman doesn't. If you like one, you should enjoy the other.  

Both titles are action-packed anime filled with violence, blood, gore and plenty of hellish demonic monsters. As well as similar animation and a similar vibe. They both deal with the main protagonist (Akira Fudo/Devilman and Amano Jaku) fighting other demons that are trying to destroy humanity. However, Urotsukidouji contains graphic scenes of rape and sex while Amon: Apocalypse of Devilman doesn't. If you like one, you should enjoy the other.  

Karas might not have the brief minutes of tentacle hentai Urotsukidouji has, but it offers all the demon action story most of it focuses on with competence 

Both are 80's hentai with good animation quality. They both have a lot of sex scenes with tentacles, monsters and gore. 

These two hentai OVAs have evil demonic monsters that are trying to wipe out humanity. They both have tentacle rape, blood, gore and extreme graphic nudity. Not to mention, they both try to focus more on story and characters than sex.  

These two hentai are famous for being more story driven than being full on porn. They both have demons, other realms outside of Earth and bringing out the dark side in humans. Not to mention they have plenty of blood, gore and disturbing rape scenes.  

Both are based on a manga by Toshio Maeda. Demon Beast Invasion and Urotsukidouji deal with the threat of demons to humanity. Both have a dark and gritty atmosphere and are quite similar in tone and content. They're both action-packed anime with explicit violence, blood, gore, sex, nudity, and tentacle rape sequences. If you like one, you should like the other. 

Both anime have giant, grotesque, tentacled monsters with lots of violence. Urotsukidoji: Legend of the Overfiend has better gore, is more serious and is more erotic. I say that Call Me Tonight is like a tamer version of Urotsukidoji: Legend of the Overfiend. If you like one, you should enjoy the other.  

Both are based on manga from Toshio Maeda. The main protagonist in both anime is fighting against demons from another parallel dimension that threatens mankind. They are also both action-packed anime with similar animation and a similar vibe. Urotsukidoji: Legend of the Overfiend and LA Blue Girl both contain similar levels of graphic scenes of violence, blood, gore, sex, nudity and tentacle rape. The main difference between the two anime is that LA Blue Girl is more comedic, while Urotsukidoji: Legend of the Overfiend is darker and serious. If you like one, you should enjoy the other.  

Both anime feature a lot of blood, gore and sex (Urotsukidouji has more sex though). Both anime have a lot of scary demons with a very dark and gritty atmosphere. They are also horror action-packed anime with similar art and animation. If you enjoyed one, you will enjoy the other.  

Both anime are created around the same period (late 1980's). Both are very similar in tone and content with a dark and gritty atmosphere. They are also both action-packed anime with similar animation and a similar vibe. Violence Jack and Urotsukidoji: Legend of the Overfiend are also both famous for being quite disturbing and contain similar levels of graphic scenes of violence, blood, gore, sex, nudity, and rape. However, Violence Jack has no tentacle rape though. If you enjoy one, you should like the other as well. 

Both anime are created around the same period (late 1980's). Both are very similar in tone and content with a dark and gritty atmosphere. They are also both action-packed anime with similar animation and a similar vibe. Violence Jack and Urotsukidoji: Legend of the Overfiend are both famous for being quite disturbing and contain similar levels of graphic scenes of violence, blood, gore, sex, nudity, and rape. However, Violence Jack has no tentacle rape though. If you enjoy one, you should like the other as well. 

Dante and Amano Jyaku in Devil May Cry and Urotsukidoji: Legend of the Overfiend are both half demons that fight demons and must stop an evil force that is trying to destroy humanity. Urotsukidoji and Devil May Cry are also both filled with strange looking demonic monsters, lots of action, blood and gore. However, Urotsukidoji has sex and rape while Devil May Cry does not. If you don't mind the sex and rape scenes, if you like one then you may enjoy the other.  

Both anime are created around the same period (late 1980's-early 1990's). Both are very similar in tone and content with a dark and gritty atmosphere. They are also both action-packed anime with similar animation and a similar vibe. Violence Jack and Urotsukidoji: Legend of the Overfiend are also both famous for being quite disturbing and contain similar levels of graphic scenes of violence, blood, gore, nudity and rape. However Violence Jack has no tentacle rape though. If you enjoy one, you should like the other as well. 

Both anime are hentai made around the same period (Late 1980's-Early 1990's) with similar art, animation and a similar vibe. Both Guy: Double Target and Urotsukidouji center on a main protagonist who battles formidable monsters with the help of a gorgeous female sidekick. They are also both action-packed anime with violence, blood, gore, sex, and gratuitous nudity. If you like one, you should enjoy the other.