Total Recommendations: 47
First off: both are very, very sad stories. They contain a man who has (in a way) given up on living since, because of circumstances, it does not allow him to live it fully. All of a sudden, a young woman named "Juri" (yes, in both of the stories) comes into their lives unexpectedly, and the young man can find no other thought than: "I want to live". The young women with troubled pasts then learn from the men, and then begin at a second chance at life...
Hagio Moto's A Cruel God Reigns (aka. Zankoku Na Kami Ga Shihai Suru) was most likely influenced by what was called yaoi's "most major work" --Bronze: Zetsuai. Both of them are from late 80s/early 90s, and they contain semi-insane characters, a controversial plot, explicit sexual abuse, and are angsty, violent, bloody, and horrifying. The dark and grim stories are -extremely- difficult to read and enjoy. There are some clear differences however: Zetsuai has some "nice"r moments, along with lots of melodrama, whereas A Cruel God Reigns has none, and is a lot more refined as a whole.
Josei manga following a rich, young woman who wants to work at a French restaurant because it makes delicious food. The males (both with black hair) are cold, hesistant, and doubtful of the girl's skills.
Both are excellent anthologies of pure sci-fi mangas
The Walking Man and Yama E Iku (in the Anywhere But Here anthology) are extremely similar to one another. Nothing ground breaking happens, but a man just walks around, and takes in the beauty of nature around him. It's about simple things.
In both series, there is a black-haired piano "prodigy" who transfers into the class of a more...rustic music player. Two people become best-friends due to the power of music.
The male cross-dresses as a female, and the main girl has short hair.
The girl is forced to marry a guy of higher status in both mangas.
In both mangas, a commoner is forced to wed someone from a higher status. Both are romance-centric and cute.
Both are over-the-top fantasy stories with immortal devils, demons, and magic.
Both are short, sad stories about some supernatural stuff.
Both shounens have supernatural men who solve mysteries, along with a female sidekick.
In both mangas, demons go after their reincarnated lovers.
Both are messed up stuff by Kago Shintarou; stories Abstraction and An Inquiry... deal with the harshness of abortion and childbearing.
In one story, the man is a sex-slave; in the other, the man works in a brothel. Both are yaoi.
Really sad, short shoujo stories.
A fluffy romance between a robot and human.
Both are really sad, short shoujo stories.
Reincarnated lovers, angels, demons, and over-the-top story-telling.
Deals with a prosthetic-person, and how they adjust to their lives. Made In Heaven is a tragedy, and Katakuri Odette is comedy.
An arranged marriage. Both are really cute and fluffy.
Older demon and a younger girl. Both are really cute and fluffy shoujos.
Cute stories with an older girl, and a younger boy.
Both are somewhat reminiscent of really old shoujo, have lots of spacey sci-fi, and many human sentiments and sadness.
Funny/romantic mangas with lots (and lots) of character development. Both are josei.
Hilarious comedy and gags presented in a mainly episodic format.
Both thought-provoking, and they follow a person who meets someone extremely mysterious and 'omniscent'.
Hauntingly beautiful and thought-provoking about human nature.
Both are older, sci-fi shoujos that focus on a waging war between two groups.
Very short, sweet, shounen-ai with unique art.
Both have an extremely unique way of story-telling. Not only that, but they are super modern, and have their own sense of humor.
Boys love, miscommunications, delinquent acts, and over the top slice-of-life drama. Not only that, but the main guy refuses to acknowledge and love himself. They're also about how insecurities, distance, and problems grow over time (just like the Hydra, a monster that would double itself when killed). Both have an almost equal cast of female/male characters, and one event concerning a certain girl in both series kinda starts the downfall of everything.
Both kind of play with the idea of buying "living dolls". The stories also give off similar vibes.
A little spoilerish to say why, but Hatenkou Yuugi goes about all of it's mind blowing psychedelics in a slice-of-life kind of way, while Tsubasa gets pretty intense... Lots of things in one manga occurs in the other one (you just have to get a good chunk into each of them to get to the good stuff!)
They both feature a really eccentric gyaru who, not only does she solve the occasional mystery, but they also have close ties to the police force. Kechonpa is more mature, and heavy-handled (especially with it's dialogue), while GALS! is a light shoujo.
Supernatural mystery involving a load of characters presented in a slice-of-life way. For both, it's sorta like a "who did it" kind of mystery.
Female figure skaters emotionally reunite with the sport of skating along with some drama and romance. Both are josei.
University-aged boy falls for a woman nearing her 30's. Josei, and is in the female's POV. Both are somewhat slice-of-life, however Udon No Hito is more ambiguous and fast.
Both leads are weird in their own way (they definitely are not normal heroines). These mangas follow the girl on her journey to become the best at her under-rated sport. The character development of the lead is great, along with her allies and enemies. There is romance, however, in Chihayafuru, whereas in Dance! Subaru, there is not any.
Well both are pretty psychological, exploring human nature as well as having a super-human boy as a lead. The art is very similar as well. However, the way both mangas are presented (Wonder Boy as a one-shot anthology, ES as a series) is different.
Well Rikon Choutei is a shounen, and Immortal Rain is a shoujo (so obvious differences aside), but they both have the same vibe. Not only do they create a fantastic world where things such as currency is different, but they both focus on a young, independent girl trying to make her way in life, and a superhuman, immortal, down-to-earth man.
While Tomie features a supernatural, immortal-like girl who gets involved and causes misery to everyone, Orochi features a supernatural, immortal-like girl who accidently gets involved and tries to help people out of their situation using her powers. The art is almost identical, and the way the mangaka shows every story in an episodic nature is similar.
Both have a shop which deals with "interesting" merchandise. The owners of the shops are extremely mysterious, somewhat cold. They affect their customers in some sort of way. However, Petshop Of Horrors is, obviously, Josei/Horror, I Wish... is a Fantasy/Shoujo.
Along with an ESP-organization, the manga also heavily deals with cloning. Both of them face the problems of a world which is comfortable with the idea of cloning. They also touch on the idea that a clone is seperate than the original.
In both manhwas, there is little romance more than the actual, frustrating drama. All of the characters cannot be honest with themselves, it often leads to miscommunication. However, the few moments of romance along with the comedy scenes is well worth the mess. Also, Ellie/Chae-Gyung are extremely stubborn, and Ryder/Shin are quite famous, and often in the beginning feel like they're too good for their female counterparts.
Both have people who need to go to a space-station for work and testing. I don't want to spoil anything, but what happens in one does happen in the other. Almost uncannily identical. They Were 11 has the same premise as the moon base story of Please Save My Earth.
Not only are both created the same person (so same art), but it deals with a strong female protagonist, the search for oneself, soulmates in dreams, and some very important message. In both series, the story is highly --I cannot stress this enough-- highly original. Also, the supporting characters are very important in both as well.