At a birthday party, a sex video is filmed without consent and Ren Li-cha is the girl in the video. The clip circulates among the students and Li-cha is mocked and bullied as a result. Wu Yun-heng, a transfer student, went to the party with Li-cha. As she cannot stand how much Li-cha is suffering' she is determined to find out about the truth behind the incident, fighting for her best friend. However, as she gets closer to the truth, she is about to shatter the peace in school.

An island in Japan is the site for the dumped and the refuse. Nanakusa and Yu who were childhood and school friends meet on this island that is called Kaiden, a scary name that only refers to things not normal or earthly. The reunited friends strike a bargain and are soon involved in cases most would not dare be involved in or become entangled in.

School girl Miyuri Obara is bullied mercilessly but finds relief in an unexpected friendship with Tsumugi. Yet even as Miyuri's life turns around there's a lingering suggestion that something is not quite right.

Demons and humans share a planet near Earth. The humans occupy the planet by day and the demons occupy it at night. They live in harmony until some of the demons scheme against the humans. The Guardians rid the planet of the troublesome demonic creatures to preserve the peace.

High school student Dana moves to the San Fernando Valley of Los Angeles after her North Dakota parents get divorced and falls in with the wrong crowd.

Wang-Hu, son of a gang boss in Shenyang, transfers to a high school in Taiwan. These school is full of delinquents and Wang-Hu quickly gets into trouble with two rivaling gangs .