Protagonists Ren and Rai fell prey to the Diabolo in an attempt to save the soul of Ren's cousin, 7-year-old Mio. Although they fail in their attempt, they were 'rewarded' with powers they would each gladly trade for the life of the young girl.

Just who - or what - is the Diabolo? What enticements does he offer the kids at school? And, if they accept his 'bargains,' what foul fate awaits them on their 18th birthdays?

Naoya Koga should live alone because his parents transfers by the order of father's company before entrance examination. He already give up his pass directly on graduation but his parents hire very excellent & pass directly on graduation private teacher, Haruki Machida for their son.

Haruki assures Naoya's direct pass of S univ because he has succeeded for 9 previous students and Naoya is the last one for his prize. They work hard but are flung down a challenge by Haruki's rival teacher who will make his student enter W univ. If Naoya fails to enter W univ, the rival can take Haruki! Naoya despairs but soon recovers because Haruki promises something if Naoya can pass W univ. Naoya studies hard but suffers from too strong sexual desire for Haruki. Then another rival appears. He was an ex-student of Haruki and says Naoya is too fool for Haruki. Naoya tries to fire Haruki but can not give up Haruki.

Naoya asks Haruki to come back again. Naoya wonders "What is Haruki's *something?" and he can confirm it is "making love with Haruki". Naoya nearly rapes Haruki but can control his urge desperately. After passing W univ, Naoya knows Haruki can go to america by his prize. Naoya wonders he lets Haruki go to abroad or not... (from Slash-kun)

Resource depletion, environmental contamination, desertification, and foolish wars. Mankind willingly walked along the path of annihilation. And at the end of that path, those who survived relied on the power of science and conducted endless experiments to obtain the valuable source of life. As scientists are exploring the desert's fallout areas, a child-like being is found naked on the ground and was brought into an underground survival refuge. As they analyze the child, what will they discover?

In the Little Busters! Ecstasy (EX) series:

V.1 - Tokido Saya - School Revolution

V.2 - Sasasegawa Sasami - Black Cat Fantasia

V.3- Futaki Kanata - My Minroud

From Vices and Devices:
Wakamiya and Anzai met five years ago during a basketball game. Impressed by his playing, Wakamiya continued to be inspired by Anzai, who he looked up to. Five years later, he finally manages to get into Anzai's elite university in the hopes of playing basketball with him, but by then Anzai wasn't playing anymore...

Shira, 17 years old, a student who loves Manga and consider it as his only friend. He always gets involved in fights and loses them. Oneday, on his house balcony, he sees meteors heading toward him. That was the beginning of his adventures along with his 'Friends' in order to rescue the world from the 'New Terrorists' organisation.

About a small agency “that does everything". The manager, Bun, has a very special tattoo and an affinity for smiling faces. Customers approach the manager with difficult problems and he solves them, with the fee for his services sometimes being paid with sex.

Miyamoto Kano's "Walker" universe timeline:
1) Are You Enemy?
2) Not/Love
-- Not/Love dj - The Reason Why We Live Together
-- Not/Love dj - Dog Days
-- Not/Love dj - Demonic Conversations
-- Not/Love dj - Brand New Lover
3) Heat (MIYAMOTO Kano)
-- Under the Skin
-- Lizards, Angels, and Daemons

The ones on ( -- ) are doujinshis. They give background or "add into" to some key points in the main story line. So you're not really missing anything even if you don't read it.

[From Omanga]: The death of a boy's parents has interrupted his life. Years later, he is detached from the world around him. A motorcyclist comes along with a deep sound that may help him. Will he be able to start his life anew?

27 years old, civil servant (government employee) examinee, Nam KiHan! One morning, when he woke up, he traveled back in time of 16 years! A scenario where everyone dreamt of at least once, reliving your life. Watch as Nam KiHan attemps to relive to become an elite of the society! Webtoon in Naver Please address this work as a Manhwa (Korean word for cartoons)

Kuro-chan is a loyal watch cat who guards his elderly owners with love and affection from thieves and "yaggs". One day while trying to visit his crush (a female dog named Pooly), he and Pooly are attacked by a mad scientist. Turned into a cyborg by the scientist, can Kuro-chan escape Pooly and return to his loyal masters?

From Infinity Scan:

She is a 24-year-old woman who was just sacked. He is her 15-year-old first cousin. When the grandmother whom she dearly respected passes away, both the woman and the teen came to stay under a single roof. Will they ever find their safe heaven?

Anan and Minmi lived in a laboratory as small children, where scientists experimented on them and gave them special powers. One day, the professor helped them escape, out of guilt from what he had done to them. The two of them continue to hide ten years later, certain that if their powers are exposed they will be captured and returned to that hell.

A cliché story about a good girl and a bad boy. Eros is a rebel and one day he meets Eris, an angel (literally). She must save him to save herself. A fantasy romance story that will teach you lots of lessons in life. He didn't believe in God then one day he started praying to get her back.

Story 1: Cinderella (Boy) Probability & Sequel
From Essence of Purity:
At 23, Nagamori Kasumi is the new employee of a model agency but his cute face makes him look much younger than his real age. The most famous Japanese model, Nishimuro Shiki, works at the same agency... He is the so called Cinderella Boy. But he is in fact an 18 year old kid with a pretty harsh personality who drives all of his assistants away one after the other. Having enough of his constant whims, the manager tells him to choose up his own assistant. And Shiki decides to pick Kasumi...
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Story 2: After the Rain Comes the Sun & Extras
Hiyama pays a long haired boy for sex, the boy declares the rule that no real names can be used but Hiyama falls in love with him. That's why the next time they meet Hiyama refuses to pay and the boy is insulted and runs away before Hiyama tries to explain.

The first part is an older style artwork of mangaka.

Collection of three short stories:

• Lip Cream

• Nagareboshi Iri Chocolate Cake (Chocolate Cake Made with Shooting Stars)
Machida Yuuki asks her close friend Hiro to help her bake a chocolate cake for her crush, because even though Hiro is a guy he is an incredible pastry chef! But who is Hiro's Valentine's Day crush...?
- ShoujoMagic

• Pocket Bell

Genzo Wkabayashi and Taro Misaki invite, the creator of Captain Tsubasa series, to travel in Europe.

This was the root of everything, the debut work of Takahashi sensei, a nostalgic memory. The story of Genzo Wakabayashi and a boy named Tsubasa Taro.

There's mystery in every corner of your school! And Maki will tell you all the story behind it...

Masahiro, who is a duke, has been studying abroad since he was young to learn about Western culture. Now he is teaching ballroom dancing/ettiquette and keeps getting strange looks from one of his students, Fukaya. He notices his interest even more when he's looking at Masahiro's portrait on a dance card/booklet and decides to seduce him. And the drama, intrigue, and treachery ensues.