From Batoto:

Blessed with dazzling loveliness and eternal youth, Aioi Kohana is a 37-year-old virgin... yet she's trapped in the body of a loli, as if cursed!
Against her will, she is now the cult leader of her disciples, comprised of lolicons, losers, shotacons and even a middle-school student girl.

Year 20xx. In various parts of the world, there are gates that connect to another world. There are tens of thousands of demi-humans and monsters living in Tokyo alone and various services have been established to accommodate the residents from the other world. One such place is the real estate agency called Ebisu-ya. (Source: Mangaupdates)

Makoto is in love with his childhood friend Ai. However, every night he is plagued with a strange dream where there is a station he does not know, the curtain to a chilling suspense story of love and survival opens.

A rom-com about a couple who smother each other with love and praise.

1) Unfinished Perfection
Shinohara Yuu is in love with his boss (Yae Gashi from Yojouhan Sweet Home), but his boss already has a boyfriend. So Kakinuma Daishi, his childhood friend, agrees to take the place of Shinohara's boss and sleep with him.

2) Present
It's Daishi birthday, however Shinohara completely forgot about it. But don't worry - Daishi will find a way to take a suitable present from Shinohara.

3) The Assistant's Love Sonata
Daishi is writing a scenario about the lives of secretaries. He uses Shinohara's office as reference material.

4) The River of Honeymoon
Daishi takes Shinohara on a trip into the mountains.

5) To Climb Love's High Mountain
Ushiie Shintarou, beloved sempai to Hokari Kei, was killed three years ago in an avalanche. Since then, Kei has returned every year to the mountain. This year he is accompanied by Kabashima, an underclassman who really likes Kei. Can Kei's heart experience love again after such a tragic loss?

6) The Smiling Assassin
Editor Michihara grows frustrated with his assistant - Tamaki - for making too many mistakes, but Tamaki always apologizes with a charming smile that irritates Michihara.

Yakushamaru Hiroko has big plans for herself, and she's come to Studio Pulp, the home of the stars, to make them a reality. However, there seems to be some kind of misunderstanding.
Many familiar faces return in this comedy that never had a fourth wall to break in the first place. Welcome to Studio Pulp.

In an accident, an indifferent genius 10 year old boy falls along side a comet into a dreamland. There, he lives with the dwarves who inhabit the planet, using his talent and power to practice and grow his skills. Not only does he master the unparalleled smelting and forging techniques of the dwarves, but he develops a new form of martial arts as well. Just as he settles down and seems to be living a peaceful life, the cruel desires of others appear…

He just finished his University, yet he traveled back to highschool! He was a guy, but suddenly transformed into a girl! But this body... This face... It's pretty nice~ I was always targetted by bullies during highschool, but now, freshman year won't be like it used to. God gave me another chance, and I've decided to stop being good! I shall change history and conquer the highschool! I will become the queen!!!

The organization known as “Gigant” has sent one of their best men to kill a cute young high school girl. However, the assassin seems reluctant… Why did he get these strange orders? What’s the secret behind that girl?

1-5) Fingertips' Love
Hajime and Eiji, who were childhood friends, have been reunited at an all-boy's high school (oh, the possibilities). Their friendship is still as strong, but it seems as Eiji is ready to confess. Will Hajime accept the confession? How many other boys in this school will be joining the boi love craze? And will anyone ever call Uncle Kai-Sensei?

6) Playing with Fire
Masao, who was dumped, decided to flee home to the countryside to get over his heartbreak.

7) Extras

From Endless Youth and Co.:

Shunpei Closer's grandfather, Alsyd Closer, was an odd man. He traveled around the world always coming back to Japan to tell his grandson all the amazing adventures he would have. Before leaving to Africa on Shunpei's 7th birthday, he gives him a teddy bear named Hyde. Six years have passed and one day Shunpei receives a mysterious package that contains a deadly surprise. To survive, he will learn more about his grandfather than he ever dared to dream and learn what it takes to be a real man, and not the coward he always thought it was all right to be.

Kamiwazumi Jun lives alone in an old house with a shrine. As a result, people sometimes leave random things outside his house, like kittens... or an unconscious naked girl?! The woman in question claims to be a robot from the future who has come back in time to protect Jun, the future messiah. She has no qualms about nudity, and retrieves useful objects from a "9th dimensional pocket" between her legs. Once Jun has accepted that her story must be true, he also has to figure out how to work a sexy robot girl into his everyday life, which also includes explaining her to a cute childhood friend that has a crush on him.

On her 15th birthday, Hinase Kaede, a young girl who was working as a part-timer, perished in a traffic accident. Upon her death, a self-proclaimed “God” appeared, declaring that Kaede would be brought back to life. However, Kaede’s happiness was short-lived and her soul was thrown into Erika, the villainess of an otome game! In the original game, Erika became a saint candidate alongside the heroine, committed evil deeds over the course of the candidacy, and ultimately faced condemnation. Thus, Kaede decides that she will not get close to the main characters of the game so as to avoid the bad end, but yet——?

This is the long-awaited fantasy story of a villainous daughter who makes every effort to avoid falling into ruin.

Collection of two works:

• Renai Paradox
Masaki Yotsuya has finally accomplished his goal of being the assistant of the famous designer Yasuyo Kanda! But what he doesn't know is that Kanda-san is also an infamous womanizer who's managed to bed every female assistant he’s ever gotten within no more than an hour! And he also refuses to acknowledge Yotsuha as his assistant! But Yotsuya refuses to give up without a fight!

• Egaki Oroshi Manga

It's about a laid back OL tempting a middle school boy into skipping out with her.

An angel visits an old hero to take him to heaven and he misunderstands and thinks she is proposing to him. Turns out he isn't as feeble as she thought and they start living together.

A beautiful, talented and mystery-loving high school girl and a younger school boy solve mysteries in their day-to-day lives at school.

Winner of the 1991 Seiun Award for Best Comic.

Manga adaptation of Otomo's self-directed live-action film of the same name.
A bumbling Yakuza member is sent to rid an old and rotten apartment block of its foreign occupants, but finds it a lot harder than expected when he discovers an evil spirit still resides there.

A story about the citizens who have forgotten about the pain of the war that happened one hundred years ago when the hero defeated the evil king.