From NagareBoshi: Mai Kojima is a slightly ditzy 16 year old. She’s gotten her first boyfriend! They’ve been dating for 3 months. Even though they should be at their most lovey-dovey, they haven’t been able to make out at all… That’s because her boyfriend Yu-kun is a super exam-taking student aiming for T-University. Every day is an uneasy one without much hugging or kissing. "Come on, I wanna do more lovey-dovey stuff!!"
Modern-era remake/alternative future of the infamous Harenchi Gakuen. Yamagishi and Fukurokoji fresh from University are starting as the first male teachers in the prestigious girls' Harenochi school. Sure enough, like the predecessor "Harenchi Gakuen", the school isn't lacking in perverted teachers and students. This manga was also adapted into OVA of the same name (https://www.animenewsnetwork.com/encyclopedia/anime.php?id=9972)
Hiro has two loves: baseball and porn. But due to an elbow injury he gives up baseball choosing a school with no baseball team. His childhood friend Hikari attends a different school with baseball ace Hideo and the two wish Hiro had not given up baseball. Hiro joins the soccer team but meets Haruka, a very clumsy girl, who is manager of the unofficial baseball club. When the soccer team challenges the baseball club to a game, with hopes of humiliating them, the baseball club nearly loses until Hiro, disgusted by the soccer team`s arrogance, switches to the baseball club.
Due to living with her 3 brothers and father for so long, 2nd year Mizumori Hidarishita has come to hate all guys! Against all odds, she encounters Koizumi Ikurou, an avid girl-hater because of his troublesome sister. Tired of being pursued by the opposite gender, they both seek refuge in holding onto their beliefs, but what happens when Mizumori's dream world is torn apart?
Menga is simply known as the vice rep and is bullied. Hanako has moved to Korea but was robbed the first day and has nothing. Na Hong Soo is known as a troublemaker and is in constant trouble. And Eechan is the student body president, very popular and known as Bacchus. It seems they have nothing in common, but this will change soon.
Takuma Hirose is a young, male high school student, who is blind for unknown reasons. After his mother died an unexpected death, it left a deep emotional scar on him, which caused him to become very lonely and reserved. Due to this, Takuma and his father move from the city out into a rural area and Takuma is enrolled into a new high school. At his new school, he meets several new girls, three of whom he gets to know the most out of anyone else. They are, the firm and obstinate Hayami Kohinata, the kind and obliging Hinata Kagura, and the cheerful and mysterious Otoha. As Takuma interacts with these girls, his medical condition gradually begins to heal.
From Viz: What happens when an all-girls' high school reigning tomboy finds out her school is about to be filled with boys!? Hanabi Oozora is a rambunctious sixteen-year-old tomboy who comes to the rescue of her less assertive friends--sometimes in exchange for food. So what does she do when, all of a sudden, her all-girls' school is about to be integrated with an all-boys' school?! She meets and falls in love--naturally--with one of the three most popular and handsome boys in the Student Council, Yasuaki Garaku! Unfortunately, Yasuaki doesn't care for girls... and when the girls' Student Council clashes head-on with the boys' Student Council, Hanabi steps in to become a member - hoping she'll change Yasuaki's mind!
From K.I.S.S.: Shinichirou would rather spend his life playing games on the internet, but sadly he's a heir to a company. His grandfather deems his current life-style unfit for a heir, so he throws him into a house with eight young and beautiful girls. What's more, within one year he'll have to choose one of them as his bride. What will happen to him now?
"This impure feeling should just disappear..." Hachi and Ritsu grew up hanging out together in the countryside despite their stark differences. Ritsu thought their relationship would never change, but Hachi suddenly moved to Tokyo after junior high school graduation without saying anything to Ritsu. Ritsu can't believe he was being neglected, so three years later he decided to go after Hachi in Tokyo... This time he will not let Hachi escapes, even though that means he must prepare for another heartbreak.
From Chibi Manga: I don't have family, friends or a lover. But there's someone I love. We have that strange relationship: childhood friend. Alternative Description: Koharu and Nacchan are childhood friends which many of their friends thought they are a dating couple. Soon, after getting into senior high school, Koharu feels something different with Nacchan. While Koharu tries to figure out her feelings, Nacchan's already falling in love with someone else, the beautiful Saionji, but his love doesn't stop him from caring for Koharu. Does what Nacchan feel towards Saionji really be love? Why can't he let Koharu go on a blind date? "Love is a word that describe so many kind of feelings"
From Attractive Fascinante: A forbidden relationship between a sensei and a student connected by chocolates and jazz, a couple who has yet to see the importance of each other's existence as a blessing, a May-December relationship connected by Millefeuille and strawberries, one who struggled to accept his own sexual preference, another who's trying to find peace with himself while carrying the burden of work, love and family and one who finally decided to go for what he wanted. 6 beautiful stories to bring you through the ups and downs of life and love, complete with humor and sweetness.
From Viz: Takemoto lives in a run-down student apartment, where his greatest worry is when he'll next be able to afford to eat meat and whether he'll get to class on time. Although he's away from home and living on his own, Takemoto is far from finished growing up. Along with his crazy cast of friends, Morita, Mayama, Yamada, and Hagumi, Takemoto sets out to discover life and his true self. Was adapted into a live action film in 2006 and a live action tv series. In 2003, this manga won the 27th Kodansha Manga Award for shōjo.