Rei Ichidou, Gou Reietsu, Kiyoshi Shusse, Jin Daima, and Dai Monohoshi are five mischievous boys attending Ichiou Junior High. Each with an eccentric personality and a knack for chaos, they've earned a reputation as the infamous Kimen-gumi. One day, new transfer student Yui Kawa and her friend Chie Uru encounter the group and soon find themselves drawn into their antics. Around them are other colorful cliques—from the handsome Iro Otoko-gumi led by Shou Kireide, to the delinquent Ban-gumi led by You Nihiruda, the athletic Ude-gumi led by Kai Undou, and the tough girl squad Onna-gumi led by Jako Amano. As time passes and a new spring begins, the everyday lives of these eccentric students unfold in a lively and comedic school story. (Source: MAL News)

A human may become a vampire only if they fall in love with one—and 14-year-old Kou Yamori wishes for nothing more. Kou has decided to fall in love with a vampire named Nazuna Nanakusa, and he has only 10 months of nightly rendezvous left to realize his goal. Kou's friends, Mahiru Seki and Akira Asai, are slowly coming to terms with the existence of vampires and Kou's decision to become one. As Kou realizes that a woman close to Mahiru is a vampire, he is unsure whether to support this relationship. Meanwhile, Anko Uguisu, the human detective bent on killing vampires, closes in on Nazuna and her coven. When an encounter leaves one of the vampires seriously injured, they learn that their human memories hold the key to a weakness that can be their demise—and to protect Nazuna, Kou must find out about her past.

In 19th-century France, the wife of vampire noble Jean Duchet Godard is murdered in her own home. With the local human authorities unwilling to properly investigate the case, Godard hires a pair of private detectives known to specialize in the supernatural: Tsugaru Shinuchi, a man with a mysterious birdcage; and his partner, Aya Rindou. This enigmatic duo has come from faraway Japan for one purpose—to track down the man who stole both Aya's body and Tsugaru's humanity.

Ever since Haruka Sakura joined Furin High School, where its students call themselves Bofurin and protect the town of Makochi, he has gained new friends despite his initial skepticism. Now starting to learn how to fight alongside his classmates and slowly growing out of his solitary past, Sakura has become the grade captain of the first-years. Sakura's skills are put to the test when he and his classmates are faced with KEEL—a delinquent group known for its ruthless violence and coercion. While KEEL seems to be another rowdy group at first glance, their sudden appearance and strength in numbers might just be hiding a greater evil behind it. With all the odds against the Bofurin members, Sakura must accept that recognizing his shortcomings and receiving help from his upperclassmen will be necessary to preserve the peace in Makochi.