Having forgotten his keys, Tamao Hiroi a high-school student, returns home using the back entrance and is surprised to find a stranger in his bed… Soon he realizes this is no stranger but Ran Homura, one year younger, softball ace and one of the most beautiful girls at school! Hiroi watches her masturbating on his bed and instinctively does the same peeking through the glass door. He is soon found out though and a strange 'master/slave' relationship begins!

Student council president and secretary, accounting and general affairs Seishirou Watari and student council vice president Mizutani. Only two student councils. Busy or not. Suggest or try it. Two people, but fun every day.

Hisaya Minato, a normal high school student, has a female friend who is a bit peculiar. She is Aoi Hatsuki, the most beautiful girl in the high school. For some reason, they get along very well, and since they happen to live on the same floor, they gradually become good friends, coming and going from each other's houses. One day, Minato suddenly asks her to show him her panties. At first, Hatsuki is reluctant, but then she starts to roll up her skirt?

The first city. The first love. Everything is a first for Yukiko Nakamura, a 13 year-old middle school girl who just moved on from a little village in the mountains.

From MangaHelpers:
People have been created that are human-animal hybrids, and powerful businesses bet on the outcome of their duels. College student Nomoto Yuuya's casual acquaintances ask him to drive them around to pick up girls one day, which he soon finds out means by force. The girl they kidnap is an animal-human hybrid named Hitomi, who slaughters all of them except Yuuya. Hitomi is a honey badger, which has been called the most fearless of all animals. Now Hitomi is assigned to stay with Yuuya, for his protection.

The story is about Jisuwon, a typical high school freshman with a talent for drawing. He falls for a girl who is already taken, but then meets Seolhyorim, the most beautiful girl in school, and falls for her instantly. He draws pictures of her secretly, but they are discovered by Yang Jinsu and revealed to Seolhyorim. Can Suwon's second first love be maintained?

Hanami Matsudai is awkward when it comes to love and she doesn't know the proper distance for human relationships. You might as well call her a misanthrope. Her peaceful life is disturbed when she meets the unpredictable Ran Ojiya who just won't leave her alone!

The slapstick love comedy of an aloof and love-hating loner girl and a love-crazed handsome stalker begins!

The setting is Roubai Private Academy, a prestigious girls' middle school in the country. For Akebi Komichi, donning this school's sailor uniform is a dream come true. Her middle school dream life is finally beginning. Verdant open countryside vistas. The slowly flowing time of youth.

17-year-old Ichirou Satou is an average guy who always happens to find himself in a perverted situation with his teacher, Kana Kojima. Follow this erotic love comedy about their mishaps and how Ichirou and Kana choose to handle them.

The four Golden Times one-shot prequels are included formally as Chapters 1-4 of Nande koko ni sensei ga!? in the Volume 01 Tankobon. The series continuation begins at Chapter 5. Later chapters and volumes follow new student-teacher couples at the same school Ichirou and Kana attend.

Fed up with her NEET attitude, a vampire debutante's parents send her out in the human world where she must earn her own food

Collaboration between YouTube channel We are the Main Characters of ◯◯! and Mairimashita! Iruma-kun.

Artists Twitter: https://twitter.com/assamu_tikutiku
We are the Main Characters of ◯◯! channel. : https://www.youtube.com/channel/UCIZzHNbzlIskx3TxGznRyYg

Two high school students are using bugs in our reality to exploit them for their advantage. But then a ridiculous exploit leads to severe consequences for one of them...

The Gyaru sitting next to me is always sucking on a candy (or lollipop). She makes a "lero-lero" sound with her long tongue, as if she's trying to provoke me!

Any healthy boy going through puberty would look at that with a perverted eye, right?! Don't look... Don't look, me! If she finds out I'm looking at her in a lewd way, my school life is over...!!

A boyish childhood friend grows up to be a super hot girl!

Just your usual slice of life 4-koma... except with an alien transfer student.

Haruma Kiki always dreamed of doing ballroom dance as the feminine "follower" role, but as she aged she only grew taller and taller, eventually causing her to give up ever looking good in a dress or anything ladylike. Now, as a second year in high school, she specializes in the masculine "leader" role—until one day, her partner suddenly leaves her. When Toribami Michiru, a short and pretty first year, shows up wanting to join the ballroom dance club, Kiki asks her to be her new partner, but Michiru reveals that she only plays the leader role—and she wants none other than Kiki as her partner.

Cute girls doing risky forex trading.

Akihiko Shimura, 20 years old (male). When I woke up in the morning, I was a little blonde loli.

I'm suddenly living together with the older girl I used to have a crush on!? Even more, I'm starting to suspect that she's a slut!?

Naoto Kiyoshi is a young man who just entered university after failing his entrance exams one year before. When he was looking for a place to live in so that he could move to Tokyo, he found himself living together with Luna, a relative and older girl who he used to have a crush on.

The Luna he admired in the past was neat, beautiful and mature... and now she apparently became a slut!? Night after night, he hears her seductive and unladylike moans, and it's making Naoto horny. There are also other men she's unreasonably close to besides him. Luna, whose thoughts he couldn't fathom, is leading him around by the nose! Furthermore, other women with lewd quirks aside from Luna have also gathered there!?

This is the start of his exciting new life surrounded by slutty(?) older girls!

Youth with a fierce-looking yankee guy, begins.

Satsuki wishes to journey through her youth like a normal high school student. She thought she isn’t supposed to get involved with the rumoured “son of a yakuza,” Yamaguchi-kun but she becomes drawn to this Yamaguchi-kun who is kind, contrary to his appearance.

A love story between a fierce-looking boy who speaks in a kansai dialect and a serious, responsible girl—☆