Naoe Riki is a quiet and sensitive high school student suffering from narcolepsy and experiencing trauma after the loss of his parents. At the most difficult moment of his life, Riki was pulled out of despair by four peers: the charismatic Natsume Kyousuke, his shy sister Natsume Rin, the muscle-head Inohara Masato, and the kendo master Miyazawa Kengo. Together, they form a tight-knit group that has become a substitute for a family for Riki.
Okumura Masamune becomes the sole member of his high school’s manga club after his senior peers graduate. The boy proclaims his 100% devotion to 2D girls and expresses a complete lack of interest in their 3D (real-world) counterparts. He soon starts to miss the time spent with people who understood his hobby and passion. These reminiscences are interrupted by a knock at the door. When he opens it, he sees an attractive girl who introduces herself as Amano Ririsa and says she wants to join the club.
Shiratori Ryuushi is a young artist who dreams of writing and illustrating children's books. To achieve his goals, he decides to move to Tokyo for training in this field at one of the local schools. He is to live in the Narutakisou estate with his distant cousin, Aoba Kozue. Upon his arrival, he is welcomed by her, the owner, and the other residents, who live together like one big family, helping each other out.
Yokodera Youto is a master at hiding his true nature. He realizes that this creates a problem because he can't honestly say what he thinks. Hearing rumors of a statue of a cat that can remove an undesirable personality trait, he finds it and prays for its façade to be removed. Unfortunately - every wish comes at a price, and the unwanted traits are transferred to someone else.
Yoshida Yuuko is a sickly girl who has spent a lot of time in the hospital. Everything changes when she starts high school. One night she has a strange dream where she meets her ancestor and learns that she has the blood of ancient demons and must defeat the Magical Girl residing in her town to restore the Dark Clan to its former glory.
Miyazawa Yukino is the most recognizable girl in school and the president of her class. She has no weaknesses, and her grades are always good enough to put her at the top of the honor roll. On top of that, she makes new friends easily, which has always made her an object of admiration. In reality, however, all this is nothing but her other face.
Hanabishi Kaoru is a college student, but lives alone due to a difficult family situation. One day, at the train station, he meets a beautiful troubled woman dressed in tsumugi. The boy decides to help her find an address, which, as it later turns out, is located not far from his apartment.