Towakan is a collection of stories:
1) Amaenbo Joker
2) Tokimeki Quest: Two schoolgirls are invited by AV scout from 25th century to film an ecchi-filled fantasy adventure.
3) Rosehip Diary: Yuri drama involving a gymnastics club where second-year students mentor first-year students, and in the mean time, have special relationships...
4) Chikyuu no saigo no hi
5) Erectic Security

A bizarre one-shot by Takato Yamamoto. It was featured in Ax: Alternative Manga.

Warning: Ero-Guro of a male teen...

Knights are gallant figures, defenders of kingdoms, noble souls who would sacrifice themselves for their king and should be looked up as examples for all society. Or so they say.
In a strange world where seemingly men are scarce, women are hungry, but not for food, and one certain sword may be mightier than the pussy, there is a brave captain-knight, respected by her peers and feared by her enemies.

Unknown beings across from the city’s neon lights, preying on you. Do not fear. There is the Beast!

Kaede is inspired to become an idol when she sees the popular cover girl Susuran. Kaede is scouted for the same talent agency as Susuran but fails to sell during her debut, she doesn't meet Susuran either. Since she is not doing well as an idol, Kaede is given menial tasks around the office. That is, until she is asked to be a replacement for Susuran's manager. Ecstatic, Kaede accepts the job but her admiration for the model may be crushed when they actually meet...

A story of three childhood friends - Colo, Cookie, and Naomi - who grew up in a sleepy backwater town on an uncivilized planet. They struggle to get by while holding on to their dreams of leaving town and finding a better life but can their friendship endure the tests of time? Can it withstand invading armies, broken dreams, conflicting ambitions, divided loyalties, jealousy and even betrayal?

Based on the visual novel of the same name. In 1986, between October 4th and 5th, members of the Ushiromiya family gather on the secluded island of Rokkenjima to discuss the division of the family's massive fortune upon the impending death of the family's head, Kinzo. However, when a typhoon traps the eighteen people present on the island, six people are mysteriously murdered. The remaining people struggle to survive as the murders continue, supposedly by the will of the legendary Golden Witch, Beatrice.

Other manga:
+ Triage X manga
+ Sidonia no Kishi manga

Shikarawa, a hot accountant, is offered to become a personal secretary for the president since no one was able to handle the quirky personality of the female president.

Shikarawa turned out to deeply involved with a pervert womanizer; however, she couldn't escape herself from the president anyhow as their desires for each other is too overwhelmed.

From Nakama:

Toma and Miyako were raised in the same orphanage. From the moment they met, Miyako has been unable to repress the impulse to soil Toma's beautiful hands. Sadistically embracing Tom is the proof of profoundly sweet love. What awaits the two who wound each other and lick each other's wounds!? The hard Eros of madness and pure love! The forefront of forbidden SM!

"Why keep the pigs behind a fence?" "Why do you think, Jae?" Are you the pig, or are you the fence? In a small and ancient kingdom, a new leader arises. But with a new leader, means a new ring of followers-- and not all people wish to follow. NOTE: READ LEFT TO RIGHT. CONTAINS STRONG LANGUAGE AND SENSITIVE TOPICS.

1) Uzakoi
Shuuji thinks that girlfriends become troublesome when they start saying 'annoying' things... which is why he always breaks up with them in a few days. The only girl who has been with him for the longest time is Risa... but she is 'just' his 'bed-friend'.

2) Suki desu Oniichan
Aoi loves her childhood friend, Koutarou-oniichan. However, he only sees her as a little sister. Aoi's like a child, both inside and out. When a rival appears, she attempts to surpass her in womanly charms.

3) Double☆Booking
When the twin boys who competed for her when they were little, return in high school, Misato still has trouble choosing between them.

4) Anata no Kioku
Nagisa has lost parts of her memory in an accident, or maybe it was fate that has chosen to make her forget some unpleasant memories. But can she really return back to the time that slipped out of her hands?

5) Sakura no Shita de Kiss wo Shite
Mahiro is afraid that her relationship with sensei will end upon her graduation. So she tries her best to not graduate...

The story begins eight months in the future of the main story, with Nana and Kaoru in the summer of their final year of high school. It uses a different supporting cast and a different location for the setting, and as such it doesn't really spoil anything from the main series.

Preview contains spoilers from the prequel Virgin na Kankei manga.

Spoiler (highlight to view) After Kimijima managed to get married with his beautiful love interest Kana -san and they start "they live happily ever after" life style, nothing could go wrong... Right?

... Well, Kimijima himself doesn't seem to have that luck in work, as he gets a sudden transfer for another office and is forced to live away from his lovely wife.... What's even "worse" is that Kimijima's old luck with women will lead him again into the path of his cheating antics, without him even realizing it...

Will he go undiscovered again this time? And just how many women are going to be involved this time around?

Kimijima is a freelance worker who seeks to become a contributing member of society. After a night of passion with a beautiful woman goes wrong, he finds himself rushing to make an early job interview. However, the interviewer turns out to be the woman with whom he spent the previous night.

A Violence Jack one-shot from 2001. What happens when Jack and some bikers mysteriously get sent back into the age of samurai.

Eunho, the little neighbor boy that always asked Jaeha to marry him is all grown up now. Jaeha never gave little Eunho a second thought until one day, years later, Eunho suddenly reinserts himself into Jaeha’s life. Will Eunho forever be the little neighbor boy to Jaeha? Or will Jaeha finally see Eunho for the man he’s now become?

A short stroy about a hikikomori and two men.

Taavi is a hybrid slave that lives in a society divided by political and racial aspects. Living among the winged and being a victim of prejudice because of his impure blood, Taavi finds himself involved in a circle of conquest and defeat that fate reserved for him since the day he was born. Story by Blanxe Art by Raquel Sumeragi and Youko Takabayashi Translated by Niu, Nina Gurgel & Jess Oliveira WARNING: Homoerotic content. For mature audience only.