IS: Not a Boy and Not a Girl - Season 01

When the intimidating Rintaro meets the open-minded Kaoruko, the unlikely duo grows closer. The issue? Their neighboring high schools hate each other.

Yuu has always dreamt of receiving a love letter but feels numb when a boy gives her one. Confused, she starts high school and meets Touko. Will Yuu's heart finally skip a beat?

Shuichi Nitori transfers to a new elementary school, and there, meets Yoshino Takatsuki. The two children discover they share a similar secret.

After middle school, with its bullying and nicknames, Uka Ishimori is excited for a fresh start at Hachimitsu High School. Kai Miura, a cool and uninhibited boy, sits next to her in class. Uka remembers she met Kai in middle school and with a single word, he had convinced her to attend Hachimitsu. Though he’s popular, Kai supports Uka in her efforts to fit in with her new classmates.

With her gloomy demeanor, Sawako has a hard time fitting in. But when an outgoing classmate approaches her, life takes a turn for the better.

In a futuristic society, Japan has implemented a complex system referred to as "The Red Threads of Science" to encourage successful marriages and combat increasingly low birthrates. Based on a compatibility calculation, young people at the age of 16 are assigned marriage partners by the government, with severe repercussions awaiting those who disobey the arrangement. For Yukari Nejima, a teen that considers himself average in every way, this system might be his best shot at living a fulfilling life. However, spurred by his infatuation for his classmate and long-time crush, Misaki Takasaki, Yukari defies the system and confesses his love. After some initial reluctance, Misaki reciprocates his feelings in a moment of passion. Unfortunately, before the two can further their relationship, Yukari receives his marriage notice. He is then thrown into a confusing web of love and lies when his less-than-thrilled assigned partner, Ririna Sanada, becomes fascinated with his illicit romance.

All thanks to the special ability that he developed, Yuu was able to cheat his way into a very prestigious high school. With his power, he thought nothing was going to stand in his way, until he met a mysterious girl named Nao Tomori and other students with special abilities just like him. It was the beginning to a new life.

She has a loving family and best friends, laughs and cries from time to time... Madoka Kaname, an eighth grader of Mitakihara middle school, is one of those who lives such a life. One day, she had a very magical encounter. She doesn't know if it happened by chance or by fate yet. This is a fateful encounter that can change her destiny. This is a beginning of the new story of the magical witch girls.

Bored with life, popular high schooler Yatora Yaguchi jumps into the beautiful yet unrelenting world of art after finding inspiration in a painting.

Six months ago, Hikaru vanished for a week. Now, as his best friend Yoshiki senses something amiss and confronts him, the harrowing truth emerges.