One day, an ordinary high school girl by the name of Ichika Kotobuki saves a dog on the verge of death on the side of the road. However, all of the sudden, the dog transforms into a human. As a consequence, Ichika gets dragged into an event that runs once in a thousand years known as "Eto Battle"!

Story involving Kensuke's brother, Ooshiba Kousuke and friend, Setagawa Masahiro. (Both appeared in Hitorijime Boyfriend)

A collection of stories:

1. Otona no Onna wa Muri wo Shinai

2. Yume Miru Yoake (Dreaming at Dawn)
Chika found herself in a compromising situation with Mariya, who is sleeping over her house after a pajama party. But Mariya dislikes anyone who tries to sexually harrass her. Will Chika get in trouble?

4. Cell Frame no Mukou Gawa (Behind the Thick Frames)

4. Backshot
Suffering the smoldering summer heat, Ema finds herself preoccupied with the bra of the girl she is sitting behind in math class.

5. Sanmanen de wa Kaemasen (Not for Sale)

6. Hatsukoi Kouzoushiki (The Structural Formula of First Love)
The protagonist is suffering the consequences of a curse she cast 13 years prior.

Midori Yamate is a 15 year-old girl and is very much a tomboy. When she was young, Midori meets a boy called Tsukasa Hino, who came to the island she lives on for a holiday. He teaches her to play soccer and she falls in love with the sport. Midori is inspired by Tsukasa and continues to play soccer in hopes that they would meet again someday. When they do meet again Tsukasa does something unforgivable. Determined to defeat Tsukasa on the soccer field Midori enrolls in an all boy high school.

Contains a short story of 2 chapters called Shounen x Cinderella in the 8th and 9th Volumes:
Sakuragi Azuma has a secret that no one should ever know about: he's actually Momo Kasuka, an up and coming female model! While shooting a new drama, he meets another arising newcomer named Yui Hazuki, and things are going to get heated!

When a high school boy who's been nicknamed "Robot" due to his unemotional demeanour and lack of social skills encounters golf for the first time, his life takes a dramatic turn.

Xie Yuxia, a girl from Chengdu, has always yearned for and loved the ocean. However, having been born in inland China, she hasn't been able to see it for her entire childhood; but that might just change when her family moves to Guangzhou for work! Upon starting at her new school, she jumps at the chance to establish the Ocean Interest and Research Club with Hainan-native fishing expert Hu Shan, marine biology specialist Wu Zhi from Guangzhou, and the English foreigner (as well as full-time foodie) Li Xiaoping. Although the three all hail from different places, that doesn't stop them getting into all sorts of strange and quirky predicaments as they "research" the ocean and conduct club activities together. However, with the way their activities are going, it seems that it might take quite a while for Xie Yuxia to actually fulfill her dream of seeing the place where land meets sea for herself…

One day, I—a high schooler—found a paperback in the hospital. The "Disease Coexistence Journal" was its title. It was a diary that my classmate, Sakura Yamauchi, had written in secret. Inside, it was written that due to her pancreatic disease, her days were numbered. And thus, I coincidentally went from Just-a-Classmate to a Secret-Knowing-Classmate. It was as if I were being drawn to her, who was my polar opposite. However, the world presented the girl that was already suffering from an illness with an equally cruel reality...

Lee Susu, an easy-going girl who lived in the countryside all the time since she was a child. She had no choice but to stay at his brother, Lee Han's house after the high school in the village was closed. And there are big and small misunderstandings between the awkward siblings...

A side story of Comic-ban: BanG Dream! series. This time, it is Kasumi's story at the Hanasakigawa High School for Girls. Kasumi, who obsesses with stars and cute stuff, now shares her interest with her new best friends as they share the fun of playing music and create a music band together.

Ancient Greece. In a time when women were not even permitted to step foot outdoors on their own... Erinna is a bit of a strange girl who aspires to join the ranks of Greece's finest artistsーthe poets. Taken under the wing of Sappho, the greatest poetess of her day, Erinna wholeheartedly ignores her maidenhood and domestic training to throw herself into song and harp! She'll be participating in a choir competition in the spring, but...?! Set in an Ancient Greek girls' school, experience the story of Erinna's wonderful youth with her best friend and upperclassmen!

In the Yamete Kudasai, series:

V.1 - Yamete Kudasai, Mabushii Desu.
Sasano grew up in an all female household and loves pretty things, including Koga, a schoolmate in another class. What happens when Sasano no longer has to stare at Koga from windows but can be beside him?

V.2 - Yamete Kudasai, Koishii Desu.

This is based on the dating simulation game, Amagami (Gentle Bite). The special focuses on Sae, Ai and Miya, three adolescent girls who are trying to understand their changing bodies and learn how to be "sexy". The chaptered version begins with the story of Tsukasa Ayatsuji, who is the overachieving class representative and planner of the school's Christmas party, and her classmate, Tachibana, who finds himself offering to help her...

From Aerandria Scans:
One day, Mizuho, a university student, receive news that her classmate in high school, Origuchi Haruka, passed away. Mizuho doesn't remember being best friends with Origuchi, but apparently, Origuchi told her mother that Mizuho was her best friend. And now, her mother wants Mizuho to help her find the boy Origuchi dated during high school. Mizuho told Origuchi's mother that Origuchi was a very plain girl, and she was never seen with a guy, but her mother told Mizuho that Origuchi got pregnant and had an abortion when she was in high school. Mizuho was shocked, but she still starts asking her other classmates in high school and following the traces Origuchi left behind.

Note: Won the 58th Shogakukan Manga Award in the Shoujo manga category in 2013.

One day, Yasuke was working up the courage to confess his feelings for his childhood friend Akari. It was the perfect opportunity, since the two of them were going to eat dinner alone together at his family's shrine. Before dinner, he rushes through the daily shrine rituals and accidentally breaks a sacred mirror.
A goddess, who looks like a cute girl, curses him for it, and now he will die if he's ever separated from her. All too late, he learns that she's a goddess of misfortune, and horrible things happen around her whenever she's upset. Will he be able to get the goddess to lift the curse? And how will he ever explain this to Akari?

Kasukabe Koukou Josou-bu is a part of a series of oneshots of the same name featured in the Josou Shounen comic anthologies. It follows Akira Komukai, a member of his high school's cross-dressing club, along with his childhood friend Minato Kasukabe and a third member, Hikaru Ayase.

Yoshioka Futaba has a few reasons why she wants to "reset" her image and life as a new high-school student. Because she's cute and had a demure personality she was ostracized by her female friends in junior high, and because of a series of misunderstandings and mishaps, she couldn't get her feeling across to the one boy she has always liked, Tanaka Kou.

Now in high school, she is determined to be as unladylike as possible so that her friends won't be jealous of her. While living her life this way contentedly, she meets Tanaka-kun again, but he now goes under the name of Mabuchi Kou. He tells her that he felt the same way as she did when they were younger, but that they cannot go back. Will Futaba be able to continue her love that never even started from three years ago?

Include in this manga are the following stories:

V.8 - Sono Omokage o Shitteru

It's about Natsukawa and his childhood friend Haruno. On their first day of high school, Haruno decides to have a coming out and goes to school in a girl's uniform.

Note: The manga was previously known as Josou Debut.

The Futami twins are a popular pair at school, but each are hiding a secret.

Nishino is a cross-dresser hiding that he's a guy, and he gets asked out by Akutagawa, who has a reputation for being a loner and a misogynist.