From Chibi Manga:

Her childhood friend is a famous designer of lingerie…

From Manga-Heaven:

Eitaro is hooked to the erotic chats... Someone steals Sakuko's lingerie... Ai is determined to lose her virginity... Everybody is hooked on love... or is it to sex?!

An erotic manga by Kyo Hatsuki following the trials and sexual triumphs of the main character. The story travels from - "Will he ever get laid?" to - "Will he ever get a steady girlfriend?" to - "Will he ever learn to keep it in his pants?!"

By day he is a beautiful honor student, but when night falls, the sexy and lewd "Maya" appears. Even though university student Kazuma wants to deny the existence of Maya's double life, he gets drawn in by him. Before long, Kazuma finds out that a young congressman, Tanabe, is manipulating Maya like a puppet, and is using him for the government...

Consists of a collection of oneshots:

1) Covetous You and Insensible Me (Hoshigariana Kimi to Futsutsukana Boku)
Never one to get close to strangers, Kai finds himself helpess in the enchanting gaze of a foreigner...

2) Lost in the Darkness Before Dawn (Gyou An ni Mayou)
Tatsumi Hiroaki is a swordsman for hire during the Edo Period. Recently, a rise in bandit activity has given him a steady flow of work in protecting small shops in town. The bandits recognize his skill and offer to hire him, where he finds a familiar face from the past.

3) Confession (Kokuhaku)
Unable to forget the random act of kindness by the wealthy, but lonely business man, Matsumi offers to sell his body. Is it really just for money, or is there a greater need at stake?

4) The night he escaped death (Shi ni Zokonai no Yoru)
Prequel of Lost in the Darkness Before Dawn.

5) Sleepless Night
The Night He Escaped Death bonus.

6) Service
Confession bonus.

7) Bonds of Blood
Covetous You and Insensible Me bonus.

From Stage Storm:

Keimi is a student at a ballet school. Her sister Chiharu is a famous prima ballerina whose grace shows in every move and expression. How does it feel to be compared to a sister like this? In fact, the girl is very talented. She doesn't practice nearly as much as her classmates, yet her performance is always superb. She dances without any pretension because she has no knowledge of her gift...

To what distance would you go for your one true love?
In a future filled with a boundless potential for interstellar peace and prosperity, Mikako joins a research team to explore the recent contact between humans and alien races. She ventures out into space, leaving behind Noboru, the one young man she loves. As she travels deeper into this new frontier, her only connection with her boyfriend is through cell-phone text messages. But the years pass, and Mikako barely ages in the timelessness of space--while Noboru grows older and considers moving on with his life.

In this timeless romance between star-crossed lovers in the most tragic of settings, there are some places man may not be ready to go.

A romance about an unlikely couple.

From BLU:
From modern-day tales of romance in Seattle, to eerie stories from historical Japan, to Yoshinaga-sensei's depiction of the class conflicts that fueled the French Revolution... In these unforgettable tales, there's a little something for every BLU fan!

And perhaps best of all, the characters Claude and Antoine (a young aristocrat and his butler) are introduced in this volume. Catch up to their later adventures in Fumi Yoshinaga's 'Lovers in the Night'!

Stories:
1. Truly Kindly
2. True Tenderness
3. A Today Completely Different From Yesterday
4. Pandora
5. Chinoiserie
6. A Butler's Proper Place
7. A Day in the Life of an Aristocrat

Ayaka has a dear friend named Hiroko. Hiroko suddenly vanishes from Ayaka’s life, saying that she must save someone important to her. Since that time, Ayaka hasn’t heard anything from Hiroko, until a girl’s corpse is washed up on shore, and she’s holding a letter from Hiroko which reads: “Come save me.” Ayaka sets off to save her best friend, and ends up in a mysterious school where everything seems too good to be true. Is it?

From Dazzling Scans:

Kazusa, a young high-school girl, is killed instantly when a car crashes into her as she was crossing the street. As a ghost, she watches her friends' reactions to her death—keeping a close eye on Miharu, the boy she was in love with before she died. However, she discovers that he was in love with another girl Okabe Ranko... but can Okabe see Kazusa's ghost when no one else can?

From BangAQUA & Yaoi Is Life:

"Mitsuru and I, we're Romeo and Juliet." High school students, Ryousuke and Mitsuru are lovers since childhood. But their fathers are with daggers drawn. They really don't want to be separated...With this mind, the decision to elope...?! Besides the main title work, this book also contains the love of a popular idol x childhood friend, and the timid love of the one carrying out someone else's love letters ♥ The sparkling high school loves, a short compilation gem!

A group of 15 elite high-school students are gathered at a very special, high-class high school. To graduate from this high school essentially means you'll succeed in life, but graduating is very difficult. The school is presided over by a bear called Monokuma, and he explains to them that their graduation hinges around committing a murder. The only way to graduate is to kill one of your classmates and get away with it. If the other classmates discover the identity of the killer, the killer is the only one executed. However, if they fail to catch the killer, only the killer graduates and the others are annihilated. Which of the 15 will survive the bloodbath to come?

Supplement for the game. Same story but mostly told from the culprits and victims POV, so we will learn more about their motives here.

1. Chocolate of Instinct
Ever since we were small, I've been good friends with Keigo, who's as cute as a girl. However, I started to be conscious of his body holding mine, his long and slender fingers, and his full lips... Before I knew it, my heart started to race for this cool Keigo... Hey, Keigo, what should I do with this feeling...?

2. Little Devil Gelatto
Sei was a playboy throughout middle school who did it with every girl. Then, the next day he would break that girls heart and leave. That changed when a girl he had done it with actually falls in love with him.

3. Flower Trap
"Under the wilting Cherry Tree, He laid a blanket of pink flowers." While I walked the cherry tree lined street i noticed him carrying a bouquet of flowers. The flowers belonged to the girl he liked. Then why did he give one to me?

4. Substitute Camellia
When I was confessed to by him I was happy. I really loved him. Still, the pain of my brother getting married and going away hurt me. Is that why Kei thought he was a substitute?

5. It Slowly Turns Sweet
Everyday, Aoi kisses a summer tangerine. Chisato, her brother's friend, often stays over.

extra of Chocolat of Instinct

An ordinary boy called Sherlock Doyle is captured and forced to put on his twin sister's dress by the Emperor's diplomat to be shipped to a small country called Ehren. His genius sister, Glinda, went missing two days before she's supposed to be sent to Ehren to be an royal tutor for the King's children. The sudden life change is too overwhelming for Sherlock, but he sees no way out. Later, he finds out the disturbing truth about the kingdom's intention with his sister.

One morning, 16-year-old Sey's world is turned upside down when her mother announces she's moving to Italy to finish her novel. She's made arrangements for Sey to live with her friend, Meja, and Meja's creepy son, Terry. Not exactly Sey's ideal living situation, but she has no other choice. Sey has a killer crush on a teacher named Mr. Cho, and she's beyond shocked when she learns that Terry knows him well ... VERY well. And so begins I.N.V.U. (I Envy You) - a hip, moving, topsy-turvy look at the lives and loves, trials and travails of 4 teenage girls.

Troubled by her abusive mother, Shiori is undecided about her future. The only thing she knows is that she wants to always be with her best friend Yukiko. That is, until she sees Yukiko do something unusual one night...

Ai Morizawa is a high school freshmen and a popular idol but puts ZERO effort into her job. She only took the offer so she can get money, but she runs away during her photo-shoots... The only thing on her mind is finding herself a boyfriend rather than work!!

Lazy, deadbeat manga author, Niki (pen name: Kaoruko Goutokuji), finally caught his big break! Except for one problem: his almost supernatural inability to do just about anything! But with a hot, elite business man, Shoji Tatsuhiko, as his childhood friend who constantly looks out for him, who can blame him?

1) To the Sea
While his parents are away, Yutaka is to be watched over by the strict Naruhiko. The only plus is the mysterious beauty Yutaka meets at the swimshore, who is somehow familiar to him. And what is the connection between this beautiful swimmer and the cold Naruhiko...?

2) I'm Not Your Mama
Shou is outwardly the tough leader of a school gang, but at home he acts the part of mother to his two younger brothers. One day David, the leader of a rival gang, finds out the hidden side of Shou as well as a certain embarrassing secret. David claims he has feelings for Shou and that his secret is safe, but can Shou really trust him?