Satomi Amano is a model student as well as the daughter of the leading project manager of Hoshima, a company that has revolutionized AI technology. However, due to her standing, Satomi's presence has isolated her from her classmates—an obstacle she knows she may never overcome. On an otherwise uneventful day, while preparing for school, Satomi uncovers her mother's latest exciting proposition: an AI that will prove whether robots can live alongside humans. Intrigued by how her mother will commence the project, Satomi makes her way to school, but standing in front of the class is none other than the AI herself. As the subject of research, Shion Ashimori is tasked to fit in like a normal teenage girl without exposing her true identity. However, Shion has another goal in mind—to make Satomi happy instead. With her talent for singing, Shion strives to compose harmonious melodies that not only connect her with her newfound friends but also dispel the dissonance within Satomi's heart.

Makino Tsukushi, a girl who comes from a poor family, just wants to get through her two last years at Eitoku Gakuen quietly. But once she makes herself known by standing up for her friend to the F4, the four most popular, powerful, and rich boys at the school, she gets the red card: F4's way of a Declaration of War. But when she doesn't let herself be beaten by them and is starting to fall for one of the F4, Hanazawa Rui, she starts to see that there is more than meets the eye... (Source: ANN)

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...

Yuuki Akamatsu lives a normal high school life... that is until his cousin, Ayaka Nikaidou, convinces him to join the Journalism Club as a life consultant! His new job is to manage the advice column for the school's weekly newspaper to help him become more social. Soon, Yuuki is joined by three girls: the smart and shy Rino Endou, the athletic and outgoing Ikumi Suzuki, and the cultured and sweet Fumi Kujou. Together, they solve the personal problems of those who anonymously ask for advice. Although each of the new life consultants has their own unique perspective, they are able to reach solutions together by holding debates and social experiments throughout the week. However, as time goes on, the four slowly come to realize that they have not only been guiding other students through their troubles, but also working through problems of their own as well.