From www.jshoujo.com: Even before her debut, solo singer Seira was popular among middle and high school students. Seira, who has never been in love and still can't write any love song, is reunited one day with her childhood friend Jun, a genius pianist.

"Ethics" is the path of humanity, a principle that becomes the norm of morality. Learning is not a problem in the future. But this class is filled with the truth of life. Cool ethics teachers Takayanagi confronts the problems of students and their own stance. New Age, teacher story!!

This manga tells the story of the previous Holy war of the universe of Saint Seiya, taking place in the XVIII century, 250 years before the original manga. The story centers on the relation between Tenma, the Pegasus Saint and his beloved friend, Alone, who would eventually become his greatest enemy, Hades. (Source: Wikipedia)

A series of side stories focusing each of the Gold Saints from Saint Seiya: The Lost Canvas exploring their lives, mostly events which occurred before. *Note: The chapter count includes 89 regular chapters and 12 "Extra Track" chapters.*

The cool, lone-wolf girl and her precious, unrequited crush! (Source: Ganma!, translated)

Mugi Suzuhara was a normal teenager, until her beloved older sister disappeared. Shortly after, her parents died in a suspicious car accident after saying they had found her sister. Mugi tries to break into her sister's high school, Shoukei Academy, one of those super, super elite high schools, to find evidence, but is almost hurt by a guard dog when she's saved by Kazuya Midou, a rich and powerful student. He makes a deal with her that she can look around the school as a substitute teacher if she acts as a housekeeper for him and his three male boarders - who happen to also be very popular Shoukei students. Includes the oneshot titled "Baby Love" (volume 1), "My Fiendly Robot" (volume 5) and "Fairy Tale" (volume 6).

Miyashita-sensei was always an overachiever, but his perfect life was disrupted when he met his desirous student, Jindou. Trying his best to get Jindou back on track, sensei had to guide him personally and fend off his ex-partners. They grew to love each other as time went by, but sensei kept a distance from Jindou by trying his best to maintain an innocent relationship between them. Will Jindou succeed in breaking down sensei's territory? (Source: Attractive Fascinante)

Hina has repeatedly transferred schools due to her father's job, and has always dreamed of a normal high-school life. At her new school, however, she finds that her class is comprised solely of guys! On top of that, five mischievous boys from her class have taken a liking to her...!?

In order to save the world, the female hero Hizumi is about to engage in the final battle against the Demon King. However, he asks her to pause and negotiate. Not trusting the words of the Demon King, the Hero draws her sword, but...? A Hero x Demon forbidden... love(?) comedy, begins!! (Source: Manga Rock)

“Recruiting those who want to finish it and die, but feel sad doing it alone…” Fed up with everything, Mie posted a notice on an Internet Bulletin Board and found suicide-partners. Four boys and girls were gathered together because of their ties to death. And then…?! A collection of oneshots dealing with psychological themes like death, suicide and bullying. (Source: Ochibichan)

A manga anthology based on DMM and Nitro+'s browser game Touken Ranbu -online- where the sword boys attend high school.

Nanase Haruka is a sixth-grade elementary school student who loves connecting with the water and feeling the water as he swims, and he attends a local swim club together with his childhood best friend Tachibana Makoto and Hazuki Nagisa, one year younger than the both of them. Then, one winter's day as graduation draws near, Matsuoka Rin transfers into Haruka and the others' school from another swim club. Through swimming, Haruka strengthens his bonds with Makoto and Nagisa, as well as with Rin; at which point Rin, with his passion for the medley relay, suggests they form a team together and enter a tournament...