Description:

Rin and Aoi are twin brother and sister and are very close. Aoi is popular in her school's kendo club, while Rin is popular with girls due to his fashion sense. When an old acquaintance on a rival kendo team appears and defeats Aoi-chan, and then shows romantic interest in her, Rin feels strangely jealous! Aoi doesn't understand Rin's behavior, and doesn't realize that Rin knows something about her that she doesn't...

Description:

Every year the flowers bloom. Mysterious Cherry Blossoms blooming all over a crescent shaped island. That island is the island of Hatsune... The main character who goes to Kazami Academy, Asakura Junnichi, has the power to see the dreams of other people in his sleep. He was also taught magic by an old lady that allows him to create sweets. One day, Junnichi seems to have seen someone`s dream again while he was sleeping. Inside that dream, a girl who was a childhood friend of his appeared. But, he was woken up by his sister Asakura Nemu, forcing him to come back to his regular life. Nemu doesn`t actually have any blood relation to Junnichi but their bond is deeper than other real brothers and sisters. So deep that it gives the illusion that they`re lovers. It was another peaceful normal day waking up early in the morning and going to Kazami Academy. Together with childhood friend Amakase Miharu, the academy idol Shirakawa Kotori, the two sisters Mizukoshi Moe and Mako who prefer eating nabe on the school roof for lunch. Going through their day as usual, their childhood friend, Yoshino Sakura, who they thought had moved to America suddenly appears. It was a surprise for Junnichi and Nemu. Sakura tells them, "I came to finish the promise we made during our childhood"... (description from AnimeNfo)

Description:

She had always hated the fact that her younger brother had been cuter than her. Now, he's at her school, dressed as a girl and as a popular model for female clothing. Although it's not unknown that he is not a girl, all the boys like him. Thus, she is always rejected by her crushes. They're brother and sister but...?!

Description:

Yuzuki has a crush for her super kind and cool brother, but she has her heart broken when he brings his girlfriend home one day. The next day, by chance, she bumps into a guy who looks exactly like her brother! What is this feeling that she has for him? Is it just because he looks like her brother, or is it...? (from Divine Sanctuary)

Description:

Shizuka Maku is just an ordinary high school girl with only slightly above average looks. That wouldn't be a problem but her older twin brothers are the school heartthrobs and beside them she always looks plain. The only boys who have ever been attracted to her are chased away by her over-protective brothers. Shizuka is the only plain person in her family and now her brothers have told her that she might not be related to them by blood. Now she is supposed to pick one of them to be her boyfriend. -AnimeNewsNetwork