This volume is a collection of 3 short stories.

The first one is Ningyo Ouji, the tale of a mermaid, or rather merman, who falls in love with a human woman.

The second is Kimi ni Okuru Hana wo Tsumu, where a boy who died loved a girl so much that he possessed her manager's body.

The third one, Sekai wa Futari de Dekite Iru, features a nympho succubus and a...priest!?

This is Yoshihara Yuki for you. Cute, funny and smuttylicious!

This manga is a love comedy collection of oneshots about how mysterious meetings can lead to falling in love before you even realize it! These stories will be sure to make laugh and cry at times.

Volume One includes...
-The mysterious NEET owner who appears every evening from the floor above.
-The husband who struggles to support the love that has come to visit his wife
-The strange businessman who has purchased a gravestone for his final resting place?!
-The little brother who suddenly appeared in the room of someone living alone...

(Source: Decadence)

What’s more painful than being married to a faithless and irresponsible husband? Being in love with your own brother-in-law, that's what!

Lately Tamao has been finding the pink nipples of his cute and slutty papa, Kouzuki, irrestisible. On his 20th birthday, his papa tells him that they aren't really father and son. Well, of course they DO IT, don't they?
(Source: Blissful Sin)

From Aerandria Scans:
Kahoko is like a lovely princess who looks good carrying a parasol. However, she's actually a half vampire who can't handle horror movies! She longs for a love like that of normal humans, but whenever she gets into a good mood with her beloved Komaba-kun, fangs start to show up in her mouth...She's in agony between her instinct and her reasoning....

From baka updates:
1) Kuraku Naru Made Matenai
Kahoko is like a lovely princess who looks good carrying a parasol. However, she’s actually a half vampire who can’t handle horror movies! She longs for a love like that of normal humans, but whenever she gets into a good mood with her beloved Komaba-kun, fangs start to show... She’s in agony between her instinct and her reasoning...

2) I Can't Stand Not Kissing You
Natsumi has a crush on her childhood friend, Chihiro. But recently in her dreams Natsumi attacks Chihiro by biting him on the neck...

3) Pink Mosaic Kiss
Tomano Miya is always being pestered by AV solicitors. One day Taku from her class helps her out, but only because he wants her in his movie! Supposedly he makes girls look ten times more beautiful...

4) To the Point that I'm Dizzy
Rokurou is the hot captain of the swim club that Megumi is interested in. After running into him and winning the contest, she seems to have made an impression on Rokurou. Is he just playing with her or is he being sincere?

Kyouko is an entertainment manager and a negative character. She always thinks of the worst. She is appointed to scout a troupe of actors, and there she meets Riku...
(Source: Jshoujo)

The heroine is named Kinoshita Sakiko. She is 20 years old, and a college student. She is totally in love with her 28 year old university professor, Chifyu-sensei. He is tall, moody, and handsome, with short dark hair and sexy eyes. Unfortunately for Sakiko, he always refuses her very aggressive displays of affection. Yet she never gives up. Even when faced with a housing crisis, Sakiko goes to drastic lengths to earn money so she can stay in the area and continue her pursuit of her teacher. However Sakiko isn't very bright when it comes to making money. She actually tries to sell herself on a street corner!! But her price is too high, and no one is interested. Then she meets a guy on the street named Natsuo. He is also really cute, with long blond hair. He is interested in Sakiko, and after one really great kiss, he takes her to his apartment. Things are starting to get steamy when they are interrupted by the arrival of Natsuo's roommate. Guess who it is?

From HotCakes:
Hisami, female high school student with a history of not having a boyfriend. She develops a crush on Haru-kun at a school event, but due to a misunderstanding ends up dating his friend, Narushi. What’s more, Haru-kun begins dating Hisami’s friend, Izumi… One day, Izumi suggests that they all switch lovers for day. Even if it’s only for one day, Hisami gets to date Haru-kun! A very excited Hisami gets brought to a love hotel by Haru-kun!

From Aerandria Scans:

Misyoshi Yoshiko is working her way as a model by doing various modeling gigs for her agency. After one of those gigs causes her to lose her job as a model, she now faces a desperate situation of being broke and unemployed. Things start to look up when she gets offered another modeling job, but this time it’s modeling for Chuujou Tarou, the lecherous sculptor who got her fired in the first place! How will Yoshiko handle working for a perverted employer who can’t keep his hands off her–not because he’s attracted to her, but because he likes her bone structure?!

A collection of short stories by Yoshihara Yuki.
Volume 1: Story 1: Like a Lamb, Like a Wolf
Volume 1: Story 2: I Want to Lose Myself
Volume 1: Story 3: Please Punish Me
Volume 2: Story 1: 1001 Nights with You (Ch.1-3)
Volume 2: Story 2: He's 100% SILK
Volume 3: 1001 Nights with You (Ch.4-8)
Volume 4: 1001 Nights with You (Ch.9-13)
Volume 5: 1001 Nights with You (Ch.14-16/end)
Volume 5: Story 2: After Black Tea
Volume 6: Story 1: Honey Moon
Volume 6: Story 2: Though Thou Canst Smell the Colors

From Covenant of Darkness:
Face, body, and talent, all 3 are what conspires Misako’s love for the star of the basketball club, with a genius ability and super beautiful Urasawa-kun. However, Misako's first and last profession of love in her lifetime was drastically discarded. Strangely, Urusawa-kun decided to model nudely for an art exhibition in hopes to winning a prize because he has an eye for that thing. The lingering affection is banned and the conditions that sends Misako's heart to abide… A romantic comedy treasure!?

From ShoujoMagic:
As the substitute for a teacher on temporary absence, Shibata Seiko is now the teacher of an all-boys' school. As she just made up her mind to be a fantastic teacher, a man has come into her life and took her as his 'sex toy'?! And the man is actually a teacher from Seiko's school!?