Munenori Nawa

Hatsune-Jima was once well-known for its cherry trees, which would bloom no matter what time of year it was. Two years ago, the island's cherry trees lost this ability and all became ordinary cherry trees that bloom only in the spring. Jun'ichi Asakura is now a graduating senior at Kazami Academy, and is surrounded by many close friends, old and new alike. On a stormy summer day, a mysterious young girl, Aisia, arrives at Jun'ichi's door. (myanimelist.net)

Mizuho can't believe his ears when Grandpa's will is read out. Grandpa's final wish is for Mizuho to attend the same academy as Mizuho's mother. The catch is it's an all-girls school. With the help of friend Mariya however, he gets a makeover good enough to fool everyone at the academy. (myanimelist.net)

After his single father gets remarried, Keita Suminoe not only finds himself with a new mother, but also two beautiful twin step-sisters, Ako and Riko. Their close bond as children soon grows into something more personal, and Keita finds himself in a real bind that he vigorously struggles to escape from. (myanimelist)

Nene Nanakorobi, a full conversion cyborg, dreams of attaining world peace. She is traveling on a cruise ship towards Cenacle, a scenic artificial island when she meets Uzal Delilah, an eccentric scientist. The two become fast friends along with Uzal's cyborg pet Clarion, a cat-like combat android, who Nene immediately takes a liking to. (Wikipedia)