Tsubasa is studying at music high school. somewhere in the darkness, meeting with him, changes her destiny?

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"!

When you're in love, life feels like it's been multiplied two times!
These five short stores of budding high school romance explore the confusing emotions that arise in the first tentative phases of love and the exhilaration of falling for someone new!

#1: Love at First Touch
Love is in the air at Field Day, and Eri can't figure out what is it that draws her to Kohei.

#2: Expiration Date 2001
Miwa's secret crush Kenta gives her a soda can for her help, and she decides that the date on the bottom of the soda can must be symbolic. Would this love taste sweet , or will it go sour?

#3: Second Impression
When delinquent Naoki turns out to be a passionate gardener, will he and Haruka sow seeds of romance together?

#4: Frequency
What happens when naturally blunt and loudmouth Kaori gains the ability to tune in to the private thoughts of 'model student' Morihiro?

#5: Baby Universe
Can Kengo convince Saki that she's not too grown up to recapture the innocent excitement they felt while searching the sky for UFOs as kids?

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!

From AQUA Scans:

Tokyo Regional Legal Affairs Bureau Census Division, Annex 4, also known as SCEPTER 4, is a police institution that aims to stop criminals with special skills. But their real target is...?

A parasite keeps a house of mysteries that is full of twisted exhibits. Another kills an entire family, only to get stuck infecting a teenage daughter obsessed with fairy tale romance manga. These and 13 more stories, from some of the greatest shojo manga artists alive today, make up a chilling, funny, and entertaining tribute to an all-time classic series.

When an aloof but kindly teenage boy named Tatsumi helps out someone who'd collapsed on the banks of a river close to his home, little does he realise that he'll soon be sharing the bathroom of his modest town house with Wakasa, a self-obsessed and playful merman. Impromptu visits from Wakasa's friends - all of whom are aquatic animals with human traits - while fun, don't exactly make things easier.

Welcome to Tatsumi's bathtub. It's getting a bit crowded.

Rin Kagamine's childhood best friend, Shun Otonashi, transfers back to her middle school just as she's in the middle of puberty. Shun's demeanor has changed so much since they were young that Rin is confused as to how to talk to him. On the way home from his first day of school, Rin suddenly asks him why he's returned to the neighborhood. He answers, "I wanted to see you again, Rin," as a joke. At those words, Rin's heart begins to thunder... The long-awaited manga adaptation of the Vocalo P and Junky song with over 2.6 million views about life as a teenage girl who can't be honest with her feelings!

Miku has loved singing since she was little. She earned a magnificent victory in her audition and stepped into the world of idols. Finally, she became a top idol, but the office she belongs to has forbidden any kind of romance. Soon, Miku starts to wish that she could fall in love like a normal girl. Then, one day, she meets a mysterious boy named Len in a dream...

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.

A girl named Yari met Kemin on her trip to Taiwan. They really liked each other and had tried every efforts to keep their relationship. However, language difference and time difference had shattered their hope. Two years later, she was on her trip to Taiwan again with love and hope, she found out that he was engaged, but broke up because Kemin loves Yari. Yari and Kemin had a long distance relationship. Soon, Yari had doubts about Kemin and starts to worry that Kemin might be cheating on her. But despite all the doubts, they managed to be together.

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

From Viz:

Poor Sumi Kitamura… Her irresponsible older brother Eisuke keeps bringing home orphans for her to take care of even though they can barely afford their own basic needs! Just when Sumi's financial problems become dire, wealthy Soichiro Ashida enters her life with a bizarre proposition: he'll provide her with the money she so desperately needs if she agrees to marry him. But can Sumi fool high society into thinking she's a proper lady? Moreover, is it worth giving up everything for this sham of a marriage?

Although she is average in looks and in grades, Sonoda Makoto’s one redeeming feature has been her kindness and willingness to help people. One day, the most handsome boy in school, Mizuno Ruka, requests to speak with her, but that’s not the most shocking part! Suddenly, he pulls out a marriage document and says he wants to marry Makoto! This is the story of a sincere love that shelters you through the rain.

Mika works wonders with a camera, and with her skill, she takes secret photos of the school’s “prince,” Yuuki, and sells them. When Yuuki finds out, he takes her pictures of him and tears them up! Mika then proceeds with a plan to follow him around and take pictures in a “total coverage” of the prince! What will she find out about the boy always in front of her camera, and the one behind the princely mask he wears?

From Aerandria Scans:

Sakura is a princess who lives alone with a few maids in a mansion deep in the mountains. She's been engaged to the prince of the country since she was born. She doesn't like that fact, as she wants to decide her fate on her own. However, one day, a messenger from the prince suddenly came to take her to the capital...

From Paper Dolls Project:

Shinomiya-kun's aloofness attracted Yukino's attention and because of that, she started to see a new side of him. And now, even though he loves school, Shinomiya-kun has to quit school due to home circumstances. To be able to continue seeing him, what would Yukino do?

Kei and a ghost named Shouko struggle to find meaning in their violin playing while being bullied at a school for rich kids.

A single father who never had any trouble with his son discovers that his son might have impregnated his girlfriend.

Geeky-faced Rinko is absolutely obsessed with handsome male model Ao Momose, to the point that she stalks him! She knows all about his lady killer tendencies, but loves him anyway, and even protects him from a gang of guys with her stalking equipment!

Even though Ao tells her that he feels nothing for the girls he fools around with, she insists that he’s actually kind and good. Both touched and wanting to prove what a terrible guy he is, he decides to take Rinko on a date! Is this a blessing from heaven? A curse? Could Ao really be falling in love with his own stalker!?