Description:

Ousai Academy was originally an all-girls high school. Due to the declining birth rates in recent years, it was converted into a co-ed school. The first year male students would find themselves surrounded by girls and unfortunately, Tsuda Takatoshi is one of them. What's worse, he gets scolded on his first day by the student council president Shino Amakusa, which did not give a good first impression of him. Tsuda also meets the other student council members while getting scolded, and in the end, he gets late for class. As an apology for ruining his morning, Shino lets him join the student council for various of "reasons" and he accepts it, or rather, he's forced to accept. Thus begins his days as Tsuda soon realizes that he's the only normal student in Ousai Academy... Note: The first 15 chapters were published in Magazine Special. It switched to Weekly Shounen Magazine starting with Ch. 16, with the chapter count being reset. This entry still includes the first 15 chapters from Magazine Special.

Description:

When Fuuka hit her second year of middle school, puberty kicked in. Now she's really tall and has huge boobs. Due to her hairstyle, her classmates call her "Saipu," after the cyclops. Her affection for her older brother was cute when she was a little girl and said she wanted to marry him. Now it just freaks him out, since she's decided she's adult enough to follow through on her childish promises. This 4-koma style manga is the story of the life of this cyclops girl! (Source: MU)

Description:

Noa's brother has a huge sister complex. So huge, he attends college in Tokyo just to escape it! Years later, his sister Noa shows up and informs him that she's taking the Tokyo University Entrance exam and that she may me moving to Tokyo as well. Little does Noa's brother know, she has a similarly huge brother complex. Read as Noa's brother attempts to control himself around his little sister, while she sets him up for failure. (Source: jCafe24)

Description:

Middle schooler Nishikata has had it with his classmate Takagi – the chronic teaser who sits nearby. Day in and day out, she comes after him with every sort of trick or prank. Even when he tries to get her back, she's always one step ahead. But rest assured, it's only the beginning. He's not about to give up that easily in this battle of cunning and youth! (Source: Yen Press) Note: Includes 13 extra chapters

Description:

The one thing not ordinary about high school student Ryouta is that he has an aspiring manga artist for an older sister. She is so dedicated to her drawing that, despite being 21, she's never really been in a romantic situation. Unfortunately, when she gets her first real job, it's to write an erotic manga. Desperately, she enlists the reluctant Ryouta's help, as a 'model', to figure out how exactly to draw this sort of manga. (Source: MangaHelpers)