is a light novel, visual novel and anime television series created by Hina Futaba and Mutsumi Sasaki. The anime aired in Japan in 2004. It replaced Sister Princess as Dengeki G's Magazine premiere flagship title. Story The story begins with Nozomu Futami returning to the town where he was born and raised as a child. He moves in near a shrine which houses a legendary stone that was rumoured to have been the place where twin girls turned into birds. The stone is rumoured to be the cause of an abundance of twin girls who are born in the town. The twins who turned into birds did so because of their love for a man who couldn't choose between them. Shortly after Nozomu enters town he begins to run into the same problems as six pairs of twins fight for his love. Characters Nozumu is voiced by Motoki Takagi. The main character of the anime. He is a childhood friend of the Ichijō twins and helps the Sakurazuki twins through the "trials" set by their father. and Sumireko is voiced by Ami Koshimizu and Kaoruko is voiced by Yui Horie. Twin girls who are Nozomu's childhood friends. They also attend the same school as Nozomu throughout the anime. They both harbor secret feelings for Nozomu. In kindergarten, they said they would both marry him. Although they are close, they keep their feelings secret from each other and everyone else. and Yura is voiced by Hiromi Tsunakake and Kira is voiced by Yui Itsuki. It is explained during the story that these twin girls lived a luxury life together in their mansion. Their father travels often and employs their butler to take care of them. They undergo many tests written out by their father so they are able to fit into society and live as normal high school girls. In the first episode, they are fifteen years old, but have never been in a convenience store. Unlike Sumireko and Kaoruko, Kira and Yura work together to win Nozomu's favor. and Lala is voiced by Yurika Ochiai and Lulu is voiced by Shizuka Hasegawa. The youngest set of twins in the series who live with Nozomu, their mother Miyabi, and pet goat Billy. They are affectionate towards Nozomu and claim him as their future husband which makes Billy jealous. and Ui is voiced by Kozue Yoshizumi and Koi is voiced by Natsuko