From Chibi Manga:

I've always, always longed for this. Fancy gossip with friends. And my first love. The girl who thinks this, Ayumu, met the sparkling boy Kanata. When she sees him, her heart beats fast and her chest feels tight. These feelings... is that love?

Also includes two other stories:

• Love Ego

• Katakoi Iro (prequel to Kimi Machi Bus)

On the cusp of World War II, Japanese Lieutenant Yuuki created a training academy for spies called “D Agency”. The purpose of the academy was to obtain information on enemy countries to gain the upper hand in warfare. In the pursuit of this valuable knowledge, eight men accept dangerous missions infiltrating enemy countries. What skills do they possess to outwit the obstacles in their way?

A breathing tree, four strings.A soul's passion and that soft vibration.To a world where the songs of violins emerge,I invite you.Original webcomic: http://comic.naver.com/webtoon/list.nhn?titleId=150387

In the Kokoro series:

Vol.1 - Otokogokoro (A Man's Heart)

1 & 2. Otokogokoro & Otonagokoro
Salary man Saki almost makes it home but passes out from fever just as college student Shinomiya passes by. When Saki comes to he realizes he's in a strange apartment and Shinomiya has been taking care of him for the past two days! Not wanting to be indebted, Saki tries to repay him as thanks but Shinomiya's having nothing of it. Luckily, Saki's pretty creative when coming up with a way to express his gratitude that has them both wanting more...

3-4. Kiss Kiss Kiss

5. Nibukoi (Dull Love)

6. Hiiragi-senpai no Koi no Ohanashi

7. W Pure

Vol.2 - Koibitogokoro (Heart of Lover)

Vol.3 - Koigokoro (Heart of Love)

Vol.4 - Tokimekigokoro (Heart of Excitement)

The number of chapters comprising the main story in each book is as follows:
Otokogokoro (2 chapters),
Koibitogokoro (6 chapters + omake) entire book,
Koigokoro (2 chapters + omake), and
Tokimekigokoro (5 chapters + extras) entire book.

After pretending to be hopeless in math to spend time with the boy of his dreams, Luke manages to conquer Eric's heart and begin a relationship. But it seems like Eric doesn't show any kind of emotion.

From Intercross:
When Yui's parents remarried, she gained 5 hot brothers! Currently she likes the really cool Masaki however she feels insecure. Does he really see her as his girlfriend?

1) Koi wa Itsumo Tabekake
Girls who don't treat other girls well are pitiful indeed. Also, they're not consider charming at all. Sometimes they tend to show their kindness in a wrong way. You won't be able to catch anything unless your bait isn't tasty. You have to scatter it well...

3) Forgotten Things in August
Red candyapple. Fireworks, a broken sandal strap. Since then ...

A One-Shot by Yamada Akihiro the illustrator behind Twelve Kingdoms and Record of Lodoss War.

Kamisu Iori is at that age when he really wants a girl, but he's about to get more than he bargained for. Iori is taking a nap in the forest when a cute girl with cat ears and tail falls on him from the trees. She scurries away and he chases her through a mysterious door somewhere in the forest. Iori wakes up in a café where he learns that kittens actually take the form of a human with cat ears and tail just like Keena, the cute girl he was chasing. But when he accidentally breaks the door that he came through, Iori has to work at the café surrounded by “kittens” until it gets fixed and he can go home.

From Aerandria Scans

At that time, it was a crime for young girls to love...Set in the Taisho era, this is a story about the forbidden love between a young girl and a student.
Tamaki is the only daughter of a wealthy family, but she's been lonely since she was small, because her parents do not care about her at all. One day, Kuroda Kageaki came to her house as a student. Gradually, Tamaki started to harbor a liking for him. And yet her mother, Satoko, caused harm to Kageaki...!? Hidden there is a dreadful past! This is a sad and painful love story set in the Taisho era.

Included is the oneshot Rakuyouju to Koi no Hana.

A manga that details the meeting and formation of the idol group TRIGGER, rivals of IDOLiSH7. The three move beyond rocky first impressions and clashing personalities to form a group that is truly first-class.

From Girls' Generation Scanlations:

After getting dumped by his lover on Christmas Eve, Ei finds a young man with a cat covered under the snow outside of his apartment. That's how he met Junpei. The serious Ei makes some place in his heart for the young man and the kitten named Yakinori.

With each passing day Ei becomes happier and happier. Until one day Ei's ex returns. What will Ei do with this sudden development?

A love wound that is healing, drawn warmly to reflect a pure feeling. A collaboration jewel!

From Storm in Heaven:

"The solution to all love problems is sex." So prescribes Doctor Meishuu to his love sick patients. But when a patient confesses his love for the dear Doctor, can Doctor Meishuu still continue to stand by his philosophy?

A series of one-shots with the recurring character of Doctor Meishuu.

1-2)
Sonkai, Meishuu's friend, falls for a patient's grandson. Sonkai approaches the elegant young Suisei and befriends him... but suddenly, both he and his grandfather stop showing up at the clinic. Meishuu suggests they pay the old man and his grandson a visit and, determined to be with Suisei, Sonkai agrees. But who is this young woman with the old man, and why is there talk about a marriage?! Is Sonkai's chance slipping away?

3-5)
Meishuu will pretty much sleep with anything that walks... he's not picky about gender or position. Why? The root of all problems in love, of course - a heartbreaking first love. When a young martial arts student is introduced to Meishuu by Suisei, he is reminded of his first love. But the young Getsuei is not going to give his beautiful butterfly-like Meishuu up that easily...

Collection of stories:

1. If you Love an Arrogant Flower (1,2)
Kazuma, the unruly eldest son at a prestigious dry-goods store, dotes on Koutarou, the son of his father's mistress who was welcomed into the main house after the death of the latter's mother. But Koutarou rejected his confession and slipped through his hands. Then Kazuma is suddently attacked by the accomplished and serious second son, Ibuki! How will Kazuma react to his tenacity!?
2. Lonely Butler (1-3)
3. Loyal Dog Jeremy

Val is an ordinary high school student who dedicates his life to God. His peaceful days however have to end when he learns about who he really is...

Goraku Gakuen is a school with over 300 clubs and student associations, and all of them are under the supervision of the Student Council. After encountering the Student Council President, Gokou Karuta, a girl who avoids most of the clubs, is asked to be the Secretary. Thus begins her work of inflitrating and monitoring the often wacky clubs...

Collection of short stories:
1. Hatsu-iro Meguri

2. Koi Lab
"I'm in love with him but... he's in love with her." How will this complicated love end?
(Also included in the Sweets Fortune Telling Anthology as Boy of Roll Cake story)

3. Ichinen no Koi wa Gantan ni Ari♡
From Chibi Manga: I kissed the friend I had a fight with during the countdown party!?

4. Nagareboshi ni Kiss

5. Panpi Pumpkin

SERIES 4: Diamond is Unbreakable
Diamond is Unbreakable follows Josuke Higashikata and his good friend Koichi Hirose as they protect their town from the influx of Stand users. Jotaro Kujo arrives to warn Josuke about the Bow and Arrow a mysterious man is using to bring out a person's Stand abilities, but it is up to Josuke, Koichi and their allies to defeat those who would use their Stand abilities for evil - most notably Yoshikage Kira.

Nanoka and Koshiro were separated at a young age when their parents divorced. Now, 10 years have passed, and Koshiro has already forgotten about his younger sister. Yet, Nanoka has decided to attend the nearby high school and come back to live with her father and brother. However, the two had met just before Nanoka came back to live together and without knowing each other's real identity, they went on a date, only to find out that they were actually siblings...