In the Miyori no Mori series:

1 - Miyori no Mori
A young girl abandoned by her parents explores the wooded hillside behind her grandmother's home, encountering the various spirits of the forest in a journey of the heart.

2 - Miyori no Mori no Shiki

3 - Zoku Miyori no Mori no Shiki

A comedy-focused spin-off of the main Konjiki no Gash series, serialized in Coro Coro Comics between May 2003 and April 2006.

In the Miwaku no Dokushin Kizoku (Bachelor Cousins) series:

V.1 - Kojou ni Tsudou Ai (To Marry McKenzie)
Eligible, elusive...and engaged!

Logan McKenzie liked his life exactly how it was -- with no surprises, and without a wife.

Then Logan learned his mother was about to marry for the third time, and that Darcy, his very pretty stepsister-to-be, was in danger of being hurt by that marriage. So he found himself getting involved -- not only in trying to prevent the forthcoming nuptials, but with Darcy herself...and his carefully controlled existence was turned upside down!
- from FictionDB

V.2 - Nazomeita Bijo (To Marry McCloud)
Fergus McCloud couldn't quite remember how he'd first met Chloe Fox...but circumstances indicated that they'd slept together pretty soon afterward! Actually, they hadn't. But Chloe's mission was to persuade Fergus not to publish a book that would ruin her family. What better way than to prolong the pretense of their being lovers? Only, Fergus wanted to rediscover the delights of their night "together"—and he intended to be present this time...in mind as well as body!

V.3 - Ubawareta Kuchibiru (To Marry McAllister)
Brice McAllister, the world's renowned artist, instantly falls for Sabina as soon as he meets the gorgeous supermodel's gaze. He has agreed to paint her portrait only to quiet the insistent billionaire who demanded Brice to paint his fiancee's portrait at any price. The meeting arouses his desire to draw Sabina. However, once he starts to work on the portrait, Sabina does not hide her fear and avoids his gaze. It is as if she believes allowing him to draw her is a sin...

English publication via Renta!, part 2

After his shift, Chino bought some sweets but saw a guy stalking a women. Turns out the guy is a nice friendly person who did not mean to stalk her since he only wanted to talk. However, after that night the good looking guy keeps on appearing before Chino who. It appears the guy is now stalking Chino to give him sweets after work.

From Tasty Kiwi Scans:

Story 01 - There’s a tribe of hermaphroditic wildcat people, who, after their sixtieth birthday, can become male or female based on their partner. The main characters in this story are: a wildcat Kada about to enter its transformation period and its philanderer fiance Koryuu.

Story 02 - Lady Shaman returns, carrying a child. When Monkan learns she is pregnant, he has to decide whether to claim the child as his own or protect his position and honor by casting her aside.

Story 03 - Kagetsu and Arimasa have finally settled down, and are now raising one-year-old twins. However, Arimasa worries whether they will be able to live as humans with their demon blood. When the twins' powers begin to manifest, the new danger occurs.

Set in Japan during the '20s, Mitsuyaku is the story of two childhood friends from very different walks of life who grow up to become lovers. Yuuichi is an ambitious type from humble beginnings, working his way towards success. His beloved Iori is the scion of an important family -- a beautiful, dark-haired creature with a gentle nature.

Unfortunately, one of the aspects of belonging to an important lineage is marriage. Will the hero have the guts to stay with the love of his life, or will he succumb to his family's pressure to shore up the dwindling finances by marrying rich?

I'll keep on living together with you.

http://www.comico.jp/challenge/articleList.nhn?titleNo=9307

Arashi falls asleep on the train and wakes up to find out that he... drooled all over another passenger?! He never expects to see the older man again after that encounter, but suddenly said older man shows up at Arashi's school...

This story is set in Cambodia. War has ravaged the country year after year, leaving behind it large minefields. To this day, many people still suffer because of them. Aki Ra keeps clearing the fields. But what was his childhood like? This is the story of a real child soldier, a historical account of a tragedy humanity should never forget.

Mitsurin Shounen is also the story of a meeting. The one between Aki Ra, who grew up during the war, and Akira Fukaya, politically-involved mangaka and in love with south-east Asia.

From HaruHime

1) Moyashi Otoko to Tane Shoujo
My dad died in a traffic accident eight years ago. One day my mother brings in an unreliabe ”bean sprout man” into our house. Together with my selfish mom and my obstinate self, the transient and strange life of the three of us begins here… In order for a girl to grow up, she needs a grown up man.

2) Kingyo no Aza
A girl becomes jealous when she hears that her childhood friend now has a girlfriend. In an attempt to break the two up, she takes advice from a talking fish?

3) Headphone to Kodomo
A high school boy witnesses his crush being involved in a traffic accident outside the school. The incident leaves the boy able to communicate to his crush through her headphones?

4) Hiyoko Densha wa Kyo mo Yuku
A high school girl is confessed to by her best friends' brother. Does she return his feelings or do her feelings with her best friend (a girl)? which one she will chose ?

Muon Sorata is an ordinary college teacher. However, there is a big secret beneath him. He is actually a mysterious "MOUSE" thief. He is smart, wealthy, powerful and influential. Above all, he steals everything. He has three beautiful female subordinates, but you can refer them as his slaves. Momozona Mei, a computer and physics expert; Kuribayashi Yayoi, a chemistry expert; and Kakio Hazuki, an agile fighter, good at combat and sports. And there is nothing that cannot be stolen by "MOUSE"...

From Tokyopop:

Two families, both alike in dignity...and in their hunger for revenge!

When Ayaka of the nymphs and Kai of the ogres met, it was love at first sight. Little did these star-crossed lovers know that by their blood, they are born enemies!

They say true love can overcome any obstacle... but can it overcome the wrath of ancient gods and death itself?

1. Shigekiteki na Kankei
Kaiya has become bored with his sex life lately, it's just the same things over and over again, even with his frequent change of partners. When he finds a book on S&M dropped by reserved coworker Makise, Kaiya finds the idea intriguing. Suddenly he can't stop thinking about making Makise his very own M...

2. Motto Shigekiteki na Kankei
Playboy Kaiya never thought much of his coworker Makise, until a series of events led to the night Kaiya was raped by him! Makise turns out to be handsome and sadistic, taunting Kaiya every chance he gets. Now Kaiya can't perform as a top, but he has no intention of becoming a bottom. When a chance visit to an S&M club gives Kaiya a brilliant idea for revenge, how far will he go to teach Makise a lesson?

3. Kimi to Aruku

4. Shihai mo Sokubaku mo

1) That's A Secretary's Job
Whenever college student Shirou gets in trouble, his father's secretary Kawata is sent to deal with him. But Kawata's punishments are all sexual.

2) Let's Train More Lewdly
Kawata is being cold towards Shirou.

3) A Greedy Right Hand
A young tutor gets involved with his student.

4) Fascinating Counselling
Miyamoto the psychologist has a patient that seems to imagine Miyamoto and him are lovers. The patient even goes as far as describing their imaginary love making!

5) 10 Million Dollar Lover
Jirou sees a sad man wandering the streets in the rain and invites him over. After a year of living together, the man's secrets are finally revealed.

6) I Love You Firmly Bound
23 year old Tatshuhiko likes to fantasize about S&M and one day his 17 year old cousin, Makoto, discovers his secret.

7) The Secret Love Affair in the Secretary's Office
Shirou gets more than he bargained for.

From ADV:
Akane is a charming young girl with two separate identities. Growing up as a princess in the Dainagon family, she befriends Aogi, who, as he matures, takes a position with the Inner Guards at the Imperial Palace, thus becoming unavailable to the outside world. When the long-lasting separation from her childhood chum becomes unbearable, Akane must assume a second persona, that of a servant of the Imperial Palace. But entering the gates of the castle doesn't get her any closer to Aogi, and soon, these star-crossed lovers are breaking all the rules for that sweet reunion they both crave.

Kazuki can't believe that he slept with a fellow cop, Seo-senpai, but the more Kazuki tries to pull away from him, the more Kazuki desires him. It is a story about one stubborn uke.

The heroine Matsuri was terrified by a vampire movie when she was little and even to this day has a terrible fear of monsters. But now she has actually fallen for a guy who turns out to be a vampire?! A comedy by Tachibana Yutaka, this series has a bit of a lollipop feel to it.