From MangaRebels:
Adventurist parents left three Ugajin sisters alone in the house and now they are living in freedom paradise! But their parents adventure financer wants the sisters to protect the peace in Manten Academy from the shadows. This is the stormy stage as curtain opens. First volume of Mayumi Yokoyama high-tension school love comedy.
From Intercross:
A collection of short stories.
1) Friendly Fire by YOKOYAMA Mayumi
Azusa was recently dumped by her boyfriend, so her best friend, Naoto, tries to cheer her up. However, the following morning Azusa wakes up next to Naoto, naked and covered in kiss marks... What the heck happened!!?!
2) B?F Romance by MITSUKI Kako
The first meeting was caused by Misato's hair getting caught on Nagao's button. The second time, coincidentally the same thing happened. A fated meeting with a boy with a hidden secret.
3) Ookamitachi no Shiikuhou by SHIIBA Nana
Meguri's parents are overseas so she is entrusted with her new friend's family. She's living together with two bullying brothers in a gorgeous house. And there is only a brief time to be pleased...
4) 7 Days by KONNO Risa
Satsuki of the track and field club is attracted to Kishimoto-kun, who motivated her to get out of her slump. But he's going to transfer in a week.
5) Mikkai Coffee Flavor by MOTOMI Kyousuke
Ayuko ends up taking care of the house on her own on a stormy night. Shouta, who's in the same class as her, ends up coming over, but she was rather unprepared...
6) Puchi no Koto by MAME Moyashi
It's a story about the overflowing love and deep emotions between a tiny, overweight rabbit named Petite and Mame Moyashi!!
Boys are silly, sex-hungry, and naughty. This book studies boys, living creatures totally different from girls, in detail, to answer questions about boys and their behaviors.
Satoshi and Satomi are childhood friends who have been trying to outdo each other in everything since they were small. Christmas is coming, and they’ve started a new challenge to see who can get a date for Christmas first! It seems that Satoshi might win the bet, with Natsuki-chan, the Sexy Dynamite of the class making the move and asking him to be her date, but will things be that simple for our plain-looking Satoshi?
Satoshi and Satomi are childhood friends and for a long time, they have been trying to see who is better than the other. Christmas approaches and they've decided to start a new challenge. The challenge is to see who can get a date for Christmas first. Satoshi's target is Natuski-chan A.K.A Sexy Dynamite. Will Satoshi get a date first, or will Satomi beat him to it?
From Operation Boredom :
Yamato Onidzuka. Childhood bully, punk, and sports prodigy. His old childhood friends are terrified of him, as he used to bully and harass them on a daily basis. When he transferred to a special sport's school, it seemed like his friends' worst nightmare had finally come to an end. But now that he's back, it seems like the nightmare has returned. Join Megu, Yamato, and their 4 other friends on their hilarious roller-coaster ride known as High School!
From ShoujoMagic:
Two bold and daring high school girls, Naomi and Jennifer have no enemies! They must certainly have many perverted stories to tell...or so you'd think. But they are actually pure virgins! The two finally get boyfriends, and their hearts beat fast as they look forward to their first sexual experiences, but!? A must read for beginners of love! // Stories included: Chiki Chiki Banana, Dok!n, Wild Card, Red Hot & Muki Muki Banana.
Dreaming of being a a woman that successfully balanced Love and Work, Mahigashi Minami heads to Tokyo to become a teacher. She faces hurdles at work as a rookie teacher because students have no faith in her. Then she met this first rate sleaze that is everything she hated but somehow his cooking has seduced her?! What will happen to Minami-sensei from here onwards? A hilarious homeroom comedy is about to start!
These stories about 4 typical high school girls' love life are Yokoyama Mayumi first work.
Story 1: A Real World
After 2 years Eri gets back together with her ex-boyfriend.
Story 2: Lip Lock
Nina made him break his "right hand" so she tries to make it up to him by being his right hand.
Story 3: That Is My Weak Point
Risa's ex-boyfriend stole embarrassing photos of her, and now she wants to get them back.
Story 4: Hotel Red Peacock
With the current course of events, Chika needs to make her bad tasting Love Hotel prosper.
-- Manga Rebels
From blancmange:
Hanazono Eve is a woman in search for the perfect suitor. However, because of her family's influence, she believes that only rich men are worth marrying. But, what will happen when she enters the school that just became co-ed recently?
From Sugar-Oasis:
Nonomiya En, previously expelled from her old school following three suspensions, is forced by her father to enter Bijinzaka, a prestigious all-girls' high school where they train girls to become young, well-mannered ladies. Upon her arrival, En realizes that this school is definitely not for her and sneaks out. On her way out, she meets Narushima Chihiro, 1st year student at Jouyama Boys' High, on the other side of the hill.
This series is about a girl named Otome who's searching for love now that she has entered high school. But of course, finding love isn't going to be easy, especially if you have three delinquent boys who are your childhood friends. Otome explains to the boys that since they are in high school now, she wants to find love and fall deeply in love, but Tokio (one of her childhood friends) insist that she be part of his plan. He dreams of taking over the school and becoming a grand gang leader; he'll even let her join as the sub-leader. What is she going to do? As she sneaks away from the boys, she catches a couple of girls watching the most popular boy, Touyou, being confessed to!? Is this love at first sight? She decides to spy/stalk him... what will she find out?
Extra 1 - The Boy Next Door (Tonari no Danshi)
Extra 2 - System vs Freedom
Warning! This is a collection of seriously scary tales!A mysterious day in a certain town. The price of a promise. The desire to accelerate the progress of mankind. This collection of tales explores the strange possibilities of our reality. Warns against overambitious desires, and reminds us why horror opens our eyes to the wider world. It’s sure to send a chill down your spine!(Source: Shogakukan Asia)Included Stories:1. Seguchi-san (セキグチさん, Mr. Sekiguchi by Isao Sakamoto)2. Luna-chan to Yubikiri (ルナちゃんとユビキリ, A Pinky Promise with Luna by Rei Nanase)3. Kindan no Hyakumonogatari (禁断の百物語, A Hundred Forbidden Stories by Eiko Komuro)4. Utsuro no Shoumen (虚ろの正面, In The Face of Emptiness by Mayumi Yokoyama)5. Sakana no Namida (魚の涙, Tears of Fish by Junko Nose)6. Jigoku no Bishounen (地獄の美少年, The Handsome Young Man from Hell by Ryouko Mizoguchi)7. Shiroi Hako (白い箱, The White Box by Kyuuko Morooka)8. Mushi ni Negai wo (虫に願いを・・・, Wish Upon an Insect by Wakana Makihara)9. Sangeki no Yakata (惨劇の館, The House of Tragedy by Kirara Himekawa)