From Evil Flowers: Inoue Azusa's classmate, Saito, is extremely good looking, but he has the worst personality ever. For some reason, he started noticing Azusa and gets her in a lot of trouble. Although he's very annoying, Azusa gradually becomes attracted to him. However, Azusa's classmate, Hikaru, is not only handsome and is the president, but towards Azusa he is...?! From Evil Flowers: Inoue Azusa's classmate, Saitou, is extremely good looking, but he has the worst personality ever. For some reason, he started noticing Azusa and gets her in a lot of trouble. Although he's very annoying, Azusa gradually becomes attracted to him. However, Azusa's classmate, Hikaru, is not only handsome and is the president, but towards Azusa he is...?!
From MangaHelpers: Ichinose Kouta is transferring to the academy his grandfather runs. He knows little about it, except for the fact that the students are mostly female, so he imagines that his life will soon become a delightful harem-type story. When he gets lost on the way to the isolated school, he finds out there's a lot his grandfather didn't tell him. The school is actually an all-girls school for ninja! At first, the girls think he's an intruder, and he barely escapes with his life! Luckily, the misunderstanding is cleared up, and he finds himself under the protection of the beautiful and deadly student council president, Fuyunagi Rindou. But even now, his life will be anything but uneventful, as he finds himself in the middle of an ongoing conflict between Fuyunagi's student council and another student group, headed by a girl known as Momochi Yayoi. [tethysdust]
Shirafuji's feelings of physical intimacy between him and and a classmate, Arisaka, are piling up. He wants to know how Arisaka truly feels about him, but he doesn't have the courage to ask, without exposing his "true feelings." He is terrified of getting hurt, even a little, but now it seems that his love is about to lose sight of reality. Two couples from this volume have sequels in another of her works Agetai Kimochi. Arisaka x Shirafuji from ch1 here and ch8 in Agetai Kimochi. Eiji x Yuusuke from ch7 here and ch2 in Agetai Kimochi. Chapter 5 is hard shota content, and not scanlated for that reason.
All begins when Soga Naoaki went to complain to the president of the student counsil, Yoshizumi Sekai, about the reducing of his volleyball team's bookings. By coincidence, Naoaki becomes the vice-president of the student counsil because of the health of the current one. He and Sekai don't get along, but what happens when they have to organise the school festival?
Onda Miku was just a regular high school girl who loves painting and designing nails. But suddenly, she got into a terrible accident, and the shinigami (soul reaper) Sei fastened his chain of death onto her wrist! Sei may be hot, but he is a bit scary. Being tied together with him, just what kind of fate awaits Miku!?
Quick tempered, dirt poor brawler Kotarou Mikata can’t hold down a job because he always ends up beating the crap out of some errant customer. Just when he’s at wit’s end, “S” offers Mikata a job as a “hero”. But what exactly does it mean to be a hero? Join Mikata on his WTF journey from brawler to hero in the action romantic comedy “Seigi no Mikata”!
The main character Totoki is an ordinary high-school student who leads a mundane school life. One day, a mysterious, primitive girl, Cherry appears before Totoki! Whatever Cherry does is a mammoth class! Because of that, Totoki is being thrown around mercilessly! Is Totoki's normal life gradually changing?!
Yanase Touko is a high school student and photographer. She is asked to take a photo of Setsuna, a very popular fashion model. She tries to consider it to be just another job, but finds herself responding to his suggestive gaze. Includes oneshot Pika Pika Scandal which is about a girl who loves bishounen and thus scouts them to be actors.
Oba Tamako tells of her time being at art high school.
Rulia-nya!! is a 4-koma series about a foreign exchange student Rulia and her everyday life with her classmates.
From Shoujo Crusade: In exchange for being the only one who knows his secret, Yuna is tasked to hang out with the quirky student council president...who has a habit of separating from his body and following Yuna around as his soul?!
Nagasawa Shiina was just your average 3rd year high schooler when her parents' company went bankrupt. In order to help pay the bills, she sells herself into prostitution. At her first job, a mysterious masked man crashes the party...and it's someone she knows... Akumetsu is the story of Shou, who defends his own view of justice in a vigilante manner while wearing a mask and calling himself Akumetsu.