Sakata Gintoki is a samurai living in an era when samurai are no longer needed.
To add to his troubles, oppressive aliens have moved in to invade. Gintoki lives with Kagura and Shinpachi, taking on odd jobs to make the world a better place... and to pay their rent.

Volume 24 contains Bankara (ばんから)
Volume 38 contains 13 (サーティーン)

From Bliss:

Halfway through the Tokaido, Hisame’s adventure continues with his childhood friend Itsuki. The plot thickens as Hisame discovers things about his father, and the mysterious demon blade Senju Murasame that used to belong to him. Yakumo, a newly introduced antagonist, desperately tries to get his hands on this sword, and will use all means to achieve his goal. The only link to Hisame's past and clues to as why Yakumo wants the demon blade lies with Hisame's sensei, Hibiki. Can Hisame discover his past and put the pieces together?

Collection of short stories: • Tongari Root Ruu is a high school student who studies seriously everyday, aiming to become like her genius brother, Shikyu. At this time, at Ruu's side, comes Jijyou, Shikyu's friend, who become's Ruu's teacher at home. Although Ruu's life has been messed up by the daring Jijyou, she has started to have feelings for him... • Monochrome Candy It can't be cast off, it's fascinating, that silver wrapped candy. • Bye-bye Babe Flowers will bloom upon the earth. • Love Fight So Beautiful! With this thought, my body just moves by itself. I really want them to see him now.

What starts as a simple kiss between childhood friends, turns into something else?! Will their friendship crumble as they become adults or will it become something more?

Haru, a young art student at Tokyo returns home to assist in her mom's funeral. There, she meets Taro, a kid of 14 years of age. With him, she's gonna see some things that will change her vacation completely.

Kodaka Natsui, a naturally beautiful young boy, and a drop-dead gorgeous rich kid named Ritsu Yasaka both work as models.
One day, their agency requires both boys to attend an overnight retreat. Kodaka decides he wants to become a man worthy of Ritsu, so he begins to undergo training under Ritsu's valet...in more salacious ways than one! When he finds out what's going on, Ritsu can no longer suppress his overwhelming desire.

Side stories in volume 2:

• Waru Amai Mitsu
A police officer is attacked by a pervert in the middle of his very important assignment guarding the high-school student son of a politician.

• Urimasu!
Tsubasa doesn't like studying and can't hold down a job, but he still wants to wear cool clothes and live in a designer apartment. So, to accomplish that he decides to sell himself to men for "one night only". And he wont go "all the way" with them either!

Note: The overall story is unfinished because the mangaka passed away.

From Manga Art:
Kawai Arisa is a timid girl with a split personality. She used to be a super bully and commands her army of "servants" to do things for her. Due to a freak accident, she has forgotten all her memories and turned into a crybaby who never sticks up for herself. Then, a new student shows up to seek revenge against her, which makes Arisa revert to her former self.

Sixteen-year-old tomboy Ito Miura has become fast friends with her schoolmate and fellow drama enthusiast Makoto Amano. The problem? Makoto's a boy who must pass as a female drama student in order for his family to approve of his acting ambitions.

Pandora's Box led a cursed existence. Through the curiosity of a woman, evil was unleashed and very nearly covered the world in darkness. Miraculously, humanity managed to seal Maou Kestra back into the box, but only with immense sacrifices. Even without their lord, the demons are still a formidable force that has only grown stronger with time, locked in the abandoned capital of the North, Hameln. Fifteen years have passed since that fateful battle...

Enter Hamel, a travelling minstrel who is so self-centered that he'd sooner cook his guardian crow (and family friend), Oboe, than go hungry for even a minute. Welcome to the world of music and hilarious insanity that is the Violinist of Hameln. Watch as Hamel takes cheap shots at his opponents and bashes pigeons with his giant violin and turns them into dinner.

How WILL the world be saved from Maou Kestra (it's a pun for orchestra, if you haven't noticed) with a hero such as this?

From Manga Abyss:
Takami and Akira are childhood friends who attend the same piano classes. Compared to the rough and boyish Takami, Akira is more feminine and cute and is also more skilled in piano. Takami thinks of Akira as a younger sister, but one day, Akira suddenly kisses Takami and says he likes her?

Part of a collection (fourth story) of a larger volume of itself, Vampire☆Vampire.

[From ShoujoMagic]:

15-year-old Hina is about to share her first kiss with her boyfriend Natuki and all of a sudden he transforms into... a vampire named Hibiki!?

1-5.
Togawa Ryouji is the new sales employee of a Toy Company. He and Kairou Reiji came into the company at the same time. They are just like water and oil and can never get along with each other. The management wanted them to cooperate to do sales out in the streets. Kairou always annoyed Togawa with his words during work. But when Togawa saw the nude back of Kairou in the changing room, he actually had a nosebleed!?

6. Sakura Ice Beauty
Fushijiro-sensei is known as a cool beauty, but playful sensei Takatou always manages to get under his skin. With Fushijiro's feelings for the older man tied up in a past incident that Takatou doesn't seem to remember, will he ever be able to sort them out?

7. Serious Love
Date is considered tight-lipped and is often given the tougher jobs as an enforcer in the Senwa clan. But when he's told to guard a beautiful young boy who seems determined to seduce him, Date may have met the job he couldn't handle.

8. The Aroma of Temptation
Researcher Yura's failing miserably at his pheromone project, and letting down sweet, supportive Mikimoto from marketing. Maybe Yura just needs some inspiring animal attraction...

9. Extra
In this twisted Little Red Riding Hood, exactly who's going to be eaten up?

From Attractive Fascinante:

Our Satou brothers are back! This time, it's the eldest brother, Satou Ryouhei, and Takahashi Jin, the cousin of the Takahashi brothers.
Jin woke up one morning to find himself being eaten up by a hunk (Ryouhei) who was sleeping beside him. Even though Jin ran away, they met again during the brothers' gathering. Is it destiny?

1-3) Underground Kids
Everyday Kimi's belongings were searched and destroyed, and she always felt that someone was watching her. They said that the school’s secret organization solves all the problems within the school’s ground thus she gathered up her courage, and went to them for help. Little did she know, this organization actually consisted of 3 “Money-loving” people... can they solve her problem safely?

4) Fake
Miki rolls her eyes just by looking at the girls who are squealing over the beautiful guys of the Disciplinary Committee. She's got the braids, the glasses, the uniform, and the textbook to AVOID having contact with the Committee. No tardies, violations, or absences; now, because of that, she's part of the Disciplinary Committee!

5) Summer Love Paradise
Ichiha's friends take her to the beach with them, hoping she'll get over her troubles with her past four boyfriends. She unexpectedly meets the unpleasant lifeguard, Kouta, though.

In the midst of several youkai characters with tremendous manifestations juggles a handsome 17-year-old Norito whose fate is tied to that of Tengu Koma's who, in turn, does his best to protect his younger human lover against the dark forces that seem to haunt him day in, day out.

--------
Extra story "Climax S"

This manga contains a series of one-shots that feature Hanai Shishimaru, the perverted boss of ‘The Help-for-Help-Seekers Room’, which will do anything for their clients except murder. Causing divorces, turning someone gay, ‘relieving stress’ on a crowded train…… Just how far will he go?

The first, fourth and fifth one-shots, XI -Extreme Love-, Fool and Shadow Game, as well as the extra, La décadanse, are sequels to Buddy System.

From Esthétique:

A girl's life is going to change because of her father who is an explorer. He found a boy living in a jungle and took him home. Now she has to take care of him and guide him as he tries to adapt to the city life.

From Dragon Voice Project:

If animals could speak, what would they say? This is a story about an abandoned lion that got picked up and raised as a cat.

Note: Wild Cats III (the 3rd chapter) was never compiled into the 2000s tankoubon edition. The book published in 2000 includes Wild Cats I, Wild Cats II and also a prologue for Himitsu - The Top Secret series. The 2006s kanzenban edition includes all three chapters of Wild Cats.

From Shoujo Manga Maniac:
Who ever said that if your life is too fortunate, you have to marry an ugly person?!
Because of a fortune teller's silly prediction, Yang Mimi suffers with awful suitors. The faces of the men her father bring home grow more and more startling...
Does Mimi really have to give up her happiness in this way? As if she'll let that happen!
If Mimi is to find happiness, she'll have to find her own husband! It doesn't matter who, as long as his face doesn't make her gasp!