From Shoujo Crusade:

Sayu was quite surprised when the popular Yano-senpai told her that he likes her. Nevertheless, she is still happy to go out with him. But when others start asking why would Yano-senpai want to go out with someone like her, Sayu can’t help but also wonder why...

　Our protagonist, Inoue Konoha is still being led around by his senpai, the Literature Club's President, self-acclaimed "Literature Girl" who loves stories so much that she can eat them, Amano Touko.

　One day, someone put in the Literature Club's "Love Consultation Post Box" a bunch of paper scraps that have the words like "Hate", "Ghost is" and a bunch of puzzling numbers on them. Calling the act as "picking a fight with the Literature Club", Touko once again got Konoha involved in her investigation; but when they found the culprit, this girl turned toward them, smile, then said "I'm already dead."

　This is the second arc of the popular bitter & sweet school mystery series.

From Hidoi~! Translators:
Another tender love story which fails to run smoothly from Kawachi Yukari!
This is a one volume "novel" type manga.
Rui will be a model, and Tougo will be a painter - the two young childhood friends dream about their future. When Rui's father dies when she is 17, she goes to Tokyo, to fulfill her dreams - and meets a handsome make-up artist and...!

From Within Silence:

Life isn't that great when it's composed of a stubborn sister, single mom, and a dad that left you for someone else? If that's not enough, you meet a dwarf that's part of a famous boy band? Could this get any worse?!

A collection of one-shots:

1. 18 Diary -- Uchiyama Ayako has had a one-sided crush on classmate and good friend Kitamura Tooru since they started high school, but his sights are set on another girl. During their last summer together as classmates, she agrees to teach him to swim, but his sole motivation seems to be to impress that girl...

2. 17's Seisho -- Mizutani, depressed that her parents are filing for divorce, drinks alone at a bar when Sakuma her playboy classmate finds her and hits on her. They end up having a one night stand, but that's when all the trouble begins...

3. Tadashii Hoshi no Miagekata -- Kurahashi has been taking care of her little brother Takumu since her mother died. She has her reservations, however, since she can never seem to get the inward Takumu to open up to her. One day, however, Takumu shows signs of emotion when he sees her classmate Hokuto dance at the park...

From ShoujoMagic & Nekohana: A collection of short stories revolving around a girl's first time! Story 1: A Boy's Suggestion, by SHINJO Mayu Kana is on a mission of love. How pathetic would it be if a senior like her completed high school without ever having had a boyfriend? That's when Takuya, a freshman with a reputation as someone you don't want to mess with, confidently asks Kana to go out with him. She has misgivings about him being younger than herself, but can she be adult enough to overlook it? Story 2: Virgin Beast, by MINAMI Kanan See Ren-ai Shijou Shugi, volume 2 side story. Story 3: Let's Go Be Daring!!!, by AYUKAWA Mio Yoshino has a crush on Kanou and is too shy to tell him, but if she doesn't act quickly some other girl might. Yoshino's friend tells her how to becoming daring: Don't wear any underwear! This secret technique certainly catches Kanou's attention when a brisk breeze blows Yoshino's skirt up, and... Yoshino needs to come up with a good lie, fast! Story 4: When I'm with You, I Won't Be Home 'til Morning!, by KOUSAKA Yuuka After two months and three days of dating, high schoolers Eimi and Hiroto are finally ready to have sex. Eimi is nervous, but Hiroto seems okay. She heard that he's a real lady killer and his ex-girlfriend was his college-age tutor. Can Eimi -- a virgin -- possibly measure up to the kind of experience Hiroto has had? What will it mean for their relationship if she can't...? Story 5: The Awakening of Love, by SAKURAI Miya High school girl Asuka has a boyfriend who's 23 years old, Hiroyuki. When people comment that older guys must be better in the sack, Asuka confirms it -- but she doesn't honestly know... because Asuka is still a virgin. Unable to stand it any more, she gives it up to Hiroyuki (who didn't know she was a virgin), but instead of bringing them closer together, it drives them further apart...? Story 6: Smooch Smooch Smooch, by MASUZAKI Yoshino Tomo, age 16, has a crush on the university student Yuuji. They even live together. Problem: Yuuji is her cousin! He's never had a girlfriend, but that's because Tomo harrasses him in a series of various "attack" styles. As her latest attack, designed to make Yuuji jealous, Tomo and her friend Samata pretend to have a relationship when they're in front of him. But when Samata becomes serious about Tomo, Yuuji knows he has to make a decision -- fast. Story 7: Sweet Desires, by SHIGANO Iori Maya caught her boyfriend cheating... Since then she has lost faith in men. But will this change with a sudden kiss, outside a bar... from a kouhai??!!

Our main char falls with a big bang for the new beautiful transfer student Natsuki. While he keeps it in himself, he finds out that Natsuki is quite the rebel who does what she wants, she’s strong enough to break his mean senpai’s arm and send him to the hospital, and she’s the one who just broke his bass guitar. He still follows her around and finds out that she’s quite nice but tries to distance herself from others. The reason is that she’s getting married as soon as she graduates. This is also the reason why no one really punishes her for doing the stuff she does in school. Still our main char falls more for her and it seems like the love is mutual? The hindrances in this story at the end of first chapter are the marriage and the mean senpai who falls for Natsuki after hearing her sing in an instrument shop.

From ShoujoMagic:
It's Ruri's 17th birthday today. And also the day that her relationship with Jyunya begins. However, was it destiny that their love is going to be a tragic one? What will happen to them now, with their parents against their relationship...!?

These are stories that deal with being an underage mother and how the characters dealt with the situation.

by Forbidden Garden:
a series of oneshots:

We are merely 17 years old and in love. And then I suddenly got pregnant, although he proposed to me straight away, my parents were against this, but I don't want to get an abortion, I want to be a mommy. No one can help us... which path is there for us to take?

Little Life Growing Inside - Falling in love, and then getting pregnant, is that a sin? Just because we're still in high school?

Spanning the Lost Life - Getting an abortion during the age of 15, and then being betrayed by the lover. I won't love anyone ever again, definitely...

I Will Become a Strong Mother - I'm a single mother, I have a crush on someone, is having this type of feeling a burden?

Believing the Feelings of Love

From Attractive Fascinante:

“It’s fine if our hearts aren’t connected”, that is what Takamura sensei thought when he confessed to his student, Rin. But after a few times of bodily contact, Takamura started to desire Rin’s heart. Will Rin open himself up and accept Takamura?

A collection of short oneshots: 1) 17 Sai Natsu Aki connfessed one year ago to Yoh, but he was going out with someone at the time. So, when she finds out they broke up; what she does might be good at first. But in the end will she be happy with Yoh? Or will something go horribly wrong? 2) 17 Sai Fuyu Yui loves Maki, (childhood friend), but does Maki love her? During winter break she goes to her aunt's (where Maki lives) and confesses her love. Does Maki love her too? Or is she going to end up with a broken heart? 3) 17 Sai Haru One sentence is all I've ever wanted to hear from her. That's all. I love her. But I can't, I'm not allowed. She's my brother's fiance. Even so, I'll do anything to make her mine. If I hurt her, bring her pain, well, as long as I can be with her. I don't care if she hates me. 4) 17 Sai Aki Nao is in love with her Sempai. His brother confesses to her, and she uses him to get to the guy she likes. Will it work? Will she get her beloved Sempai?

Saya is an ordinary, lethargic female high school student. While she was alone at karaoke, singing enthusiastically a song of her favorite artist, Takase Kazuki, the person himself was watching her…?!

A volume of 5 romantic oneshots.

1) 14R
Kawamura Tamaki, 14 years old.
Seen as a very serious class rep by everyone around. But, what does it mean to be serious? She too falls in love, and...!?
A blinding underworld unraveled here!!
- From ShoujoLove

2) Mahiru ni Kakedasu

3) Watakushi-sama

4) Koi wo Hajimeru Bokutachi ni (For Us Who Begin to Love)
A girl, Kawai Oto, and a guy... Will they fall in love?
- From Dragon Voice Project

5) Daily News
Two twins support each other through everything, but can a guy tear them apart?

From MangaHelpers:

On his seventeenth birthday, Amamiya Kota was going to ask his classmate Misora Hiyori out. Tragically, he dies in a car accident but is given a second chance back in the living world on borrowed time. He gets entered into a competition called the 13 Game where other people like Kota who were supposed to die return back to the world and given an option: locate and kill 13 other players or suffer the fate of death. Each player is assigned to a handler, mysterious beings with special powers, who use them as if they were characters in a video game. Kota’s handler, Merume, explains that there are players like him all over the country, each with a unique ability that helps them kill, and Kota has to kill 13 players within 1 year. With his demon hands ability that was inspired from his hobby of magic tricks, Kota must unwillingly participate in this cruel game if he wants to live. [vyc]

Satsuki Kakeru lost his sister by suicide and has been living a dull life ever since then. One day, he is transported into a bizarre world "Red Night" along with his friend Minase Yuka and six other classmates. In order to survive and escape from Red Night, they must defeat six black knights in order to return home.

From Heroines of Fantasia:
16-year-old Tsukimi Hina decides to get a part time job as a maid, and successfully passes her interview. One thing though: she can't use modern technology inside the house whatsoever?! Which means no vacuums, no cellphones, no laptops, etc. What is up with her twisted, but handsome, employer Asakura Shiyuusei-san? And what exactly is he hiding in his storage room...?

From Intercross:
16-year-old Hina's first job is with a 19th-century British enthusiast, Shuusei-san, as his maid. Even the way of cleaning has to be from the 19th century! Even so, this sweet gentleman makes Hina's heart beat so fast! There is actually another person in this residence, Mary Lou. She's as cute as a doll, but... she's, she's... a ghost?!

In this small town, within the 49 days after a person dies, you can see the dead's spirit. She once admired this small town where you can still spent time with the ones precious to you within these 49 days, but...

Includes two oneshots (not yet scanlated):
Soko ni Koi Ari (そこに恋あり)
Kimi wa Nanimo Hoshigarazu (君は何もほしがらず)

From ShoujoMagic:
1. 38°C
Taiji's normal body temperature is 38 degrees Celsius, or so he says, but Shiina thinks he's full of it. Taiji is a friend with whom Shiina can always--and does always--fight... Until Taiji unexpectedly confesses his love! Shiina begins to run a fever, but is that the only reason she's getting so hot...?

2. Solution Maze

3. Heaven in Jail

4. Winter's Aquarius

Collection of short stories:

• 37℃ Kissu
Naoki was a very cool and good looking guy, but somehow after meeting Fumika-chan, he's not cool at all, but very cute?!

• Himitsu no Namida (Secret Tears)
He saved his second button for her, but on their last day, she handed him a love letter to give to his best friend. Instead of delivering that letter, he kept it himself, and asked her to go out with him instead...?

• Caramel Kiss
Atsushi-sensei is Kawahara's first love, will he be able to accept her affections?

• Shounen Knife
Until Riki moved in, the house next door to Mimi's was always vacant. Riki saved Mimi's cat, but it seems that he isn't as well mannered as she first thought?

• Extra from Kiss, Zekkou, Kiss Bokura no Baai.