Takagi Shuuhei meets a man through a strange window. This man introduces himself as Takagi Shuuhei' future form. **Note:** Remake of the Original Webcomic by Masatokki. The original version is not available now(publisher's request).

In this world, monsters consume a person's lifespan in exchange for granting their every wish. However, Nea's mysterious "apothecary" monster seems uninterested in consuming hers. After wandering into the land of Weem, Nea is offered the illustrious position of Songbearer, and forms a contract with Dino — a monster as beautiful as he is powerful. While Nea adjusts to her role (and Dino's peculiar brand of companionship) she is tasked with the search for the Grimmdoll Chain: an artifact in possession of the elusive Masked Monster. If not her lifespan, what will Dino require of her in exchange for her wishes...? (Source: TOKYOPOP)

My name is Iori Narazaki. I am 17 years old, and I've always been a crybaby since the day I was born. I cry when I'm happy, I cry when I'm sad - and I cry because there isn't a person in the world who could someone like me. I don't even know if can fall in love. I mean, I've never had a boyfriend, and whenever I've had a crush on someone, my feelings never lasted. ...until Yusuke. Whatever the situtation, he's the only thing on my mind - is this good, bad, healthy, unhealthy? I don't know. All I know is that I want this to continue - my first taste of love! (Source: JManga)

Zhou Wei Qing, who was born in the Heavenly Bow Empire without a Power Jewel or Elemental Jewel, was treated as a joke. He is the son of the empire's Admiral Zhou who is a Nine Jeweled Heavenly Jewel Master. An opportunity arose when he swallowed the Dark Demon Tiger God's Life Bead from another world. From then on, he embarked on a road of adventure, finding true love and finally becoming a Twelve Jeweled Heavenly Jewel Master!

If you could get your dream house for a bargain under the sole condition that you keep it spotless, would you sign the deed? I sure did! I didn't expect it to come with a clean-freak ghost, but I figured I could just hire house staff. Except that's when the problems started... Why did a revolutionary leader, the master of the Magic Tower, a swordmaster, and a literal demon answer my job post?! I do need the extra pairs of hands, though... Oh well, what's the worst that could happen? (Source: Tapas)

What would you do if you were reincarnated as a child emperor—kept alive as a puppet, with corrupt, greedy nobles sharpening their knives on all sides? How would you live with no overpowered abilities, no freedom to act, always one wrong step away from an assassin slipping poison into your next meal? How about this: Survive. Learn magic. Purge the empire of corruption. Sounds ambitious, you say? Well, no emperor ever made a name for himself sitting at home. *Source: J-Novel Club, Vol. 1*

Iris was born on a rainy day dyed with emptiness, regret, and fond memories. As an android, Iris must obey her master's orders and cater to her every need, but her creator, Professor Umbrella, wishes for a more intimate and more 'human' relationship with her. To cultivate an organic connection between master and servant, Professor Umbrella helps Iris to develop a sense of identity and pushes her into taking an active role in her own growth. This is a story about a female robot born on a rainy day. This is a story about rainy days. This is a story about how a mechanical maiden born on a rainy day became a soft-hearted and free-willed girl.

Justin is the domineering, ruthless, and arrogant commander of the Order of the Knights whose very presence strikes fear in those around him. But he wasn't always like this—he actually used to be a college student in the real world who worked tirelessly to care for his 7 little brothers. Now, trapped in this light novel world, he must change his storyline, or he'll be destined to end in ruin due to his villainous deeds. (Source: Seven Seas Entertainment)

How much do I have to pay to have you?" Minoru, working in a gay bar is bluntly picked up by the flashy Shiroyama. Seeing Minoru working hard to provide for his family, Shiroyama surrounds him with light and kindness. After chaste kisses, Minoru can't help but fall into Shiroyama's hands. Just at the point when Minoru starts to think about sleeping with Shiroyama (despite being straight) he discovers he has some crime-related secrets. It's then that a man appears who is willing to tell Minoru everything about Shiroyama...with conditions---!? (Source: Manga.Club)

Elizabeth Leiston, daughter of the influential prime minister, is a picture-perfect lady on the path to becoming the future queen of the Kingdom of Haldoria. But her life takes a sudden turn for the worst when her fiancé makes a show of publicly calling off their engagement. Soon after, he throws her in jail and starts spreading nasty rumors about her. The encouragement Elizabeth receives from her loyal waiting maid, Mireille, and her inner fury are all she needs to reconsider her goals. Why should she continue devoting herself to a country that doesn’t respect her when she can trample over it instead? She will get even with those who wronged her and bring down the damned kingdom, even if it’s the last thing she does! Luckily, Elizabeth is no damsel in distress and has seven powerful magic grimoires she won’t hesitate to use. Get ready because this ruthless lady is out for blood! (Source: J-Novel Club)

A dramatic story set in contemporary Japan, about a guy with amnesia, who finds out he was turned into a super-cyborg in a corporate weapon research program. He goes on a mission of revenge. A little shallow, perhaps, but a good example of shounen SF/action manga. The manga ended abruptly, because the magazine it was being serialized in changed its target public and it was decided that Xenon didn't fit in anymore.