According to the will of Mr. Kusakabe’s former teacher, his granddaughter, Makoto, is the only one who knows the whereabouts of the key to his beloved piano. Can they figure…

The day of the district contest has arrived! When Haruta goes missing, Chika goes to look for him and runs into a writer who’s interested in Mr. Kusakabe’s past. Can…

Mr. Kusakabe has collapsed from exhuastion! To help out Mr. Kusakabe, Chika and Haruta investigate the mystery behind the Fujigasaki High School brass band club advisor’s suspension and the peeping…

Naoko volunteers to help Chika rehearse for the upcoming qualifying round, but wants her help in return. Her aunt has returned to Japan in search of information on her first…

The band club is growing. In order to get a budget increase, Chika and Haruta agree to track down one of the student council’s problem club leaders. Why is the…

It’s spring break and the clubs are on the prowl for new members as students get ready to enter high school. During the break, there’s been a tresspasser in the…

Akari Gotou, a junior high bass trombonist, comes to the high school in search of Haruta and asks him to help her solve the puzzle of her grandfather’s time abroad….

It’s Christmas Eve and the brass band club has nowhere to practice. And, even worse, Haruta is homeless! Haruta’s sister, Minami, shows up to help him find a new apartment…

It’s now fall and the brass band club has grown. Haruta, Chika, and Miyoko stumble upon Sei Maren, a former saxophonist, at the drama club. The brass band club and…

The brass band club is recruiting new members! Haruta hopes to enlist fellow first year student and former oboist, Miyoko Narushima. She wil join on one condition: Haruta and Chika…

High school brass band club members and newly reunited childhood neighbors Haruta and Chika decode a mysterious message hidden in the music of Bach and become rivals in love.

Due to the law passed by the new governor, Anno is arrested, and HxEROS is forced to disband temporarily. The Saitama Branch members have been working as heroes on their…

Retto battles a Kiseichuu and defeats it with ease but is stung by its poison in the process. He doesn’t think much of it, but right after he is stung,…

The Saitama and Tokyo branches visit Akihabara so the members can get to know each other better. Shiko is desperate to get close to Retto, so she suggests that the…

The HxEROS headquarters generously grant Retto and the team a vacation at the beach, but when they arrive, they discover that the beach is covered with suspicious-looking sea cucumbers. Discouraged…

Kirara has been suffering from hallucinations where she sees Dark Kirara, the shadow side of her personality, in the form of her childhood self. Dark Kirara says that her purpose…

Recently in Saitama, public concern has been mounting over large numbers of people that have been oversleeping in the morning, resulting in them being late for school or work. Based…

Chacha joins HXEROS as a new member and starts living with the team in the same dormitory. Chacha enters Retto’s consciousness to find the source of his H-energy. While still…

Maihime Shirayuki has a laid-back personality and can’t play sports to save her life. She was chosen to be a member of HxEROS because of her hidden eros and became…

Retto and others head to a nest of Kiseichuus to rescue Kirara who was abducted during a battle. Meanwhile, Kirara sets herself free from an enemy restraint and wanders alone…

Kirara joins the team as Hxe Yellow but is unable to unleash her full potential in critical moments and allows the Kiseichuu to escape. The reason that Kirara keeps on…

Alien invaders called Kiseichuu are plotting to gradually eradicate humanity by draining them of their H-energy, or libido, and undermining human reproduction. While this issue looms over society, Retto Enjo…

Earth faces an unprecedented threat from an invasion by the mysterious Kiseichuu. The Kiseichuu feed on human sexual energy, also known as “H-energy,” and weaken the human population. High school…

After Mana is completely resurrected, Mana greets Shu but is shunned by him after she speaks ill of Inori, much to her anger. Gai draws out Mana’s Void to fight…

Mana has almost taken control of Inori’s body and Gai tells his father, Shuichiro, that the Apocalypse will be coming and announces it to the world that the Leukocyte will…

As the combine forces of the Undertakers and the UN forces arrive at GHQ Headquarters, realizing the 256 Leukocyte satellites was a bluff, Shu helps Ayase into her new Steiner…

Haruka opens a safe guarding the third and final Void Genome, but is stopped by Shuichiro, who is revealed to be her older brother. He confesses that he was the…

As the blockade gets closer to the school , causing fear amongst the students, Shu become more ruthless to maintain order. Yahiro warns him the students will hate him if…

Ayase, Tsugumi and Argo are shocked on what Gai has done and Daryl is bewildered upon given orders to protect Gai, their former enemy. An UN Stealth Bomber attempts to…

Argo is airdropped into Loop 7 as part of his mission to rescue Arisa as the head of Shanghai’s Ming Hua Group, who is in love with her and in…

With Loop 7 completely sealed off from the outside world, Arisa tries to assure the panicked Tennouzu students that her grandfather’s men will rescue them. However, one student lacks confidence…

The students of Tennouzu work together to improve their environment by making use of their voids provided by Shu. However, the situation starts to deteriorate as the blockade draws closer…

Two weeks since the outbreak, the GHQ continues their search, rescue and aid of survivors in Tokyo. A large number of teenage refugees is sent to Tennouzu High, which has…

While the virus is still spreading over Japan, Daryl arrives at the airport and kills everyone there in a rage of fury, including his own father Major General Yan. With…

Shuichiro teleports to the crystal tower but not before giving Segai the information he wants as thanks for his service. Meanwhile, Shu finally recognize who Gai is but he tells…

Since his failure to save Jun, Shu is suffering traumatic memories of the Apocalypse Virus and hallucinating seeing people being infected which cost the Undertakers a mission to stop a…

Shu is going with Inori, Hare, Souta and Kanon on a beach retreat at Oshima which his mother tells him to also visit his father’s grave. In truth, the retreat…

Hare and Kanon notices how much Shu has changed and is more active. In order to help Hare get close with him, Kanon lies to Shu that Hare needs his…

Gai survives the attack but reveals that his team and the mercenaries were killed by the Leukocyte blast. At the outskirts of Tsukigase Dam, Gai briefs the Undertakers that their…

Shu returns to school with Inori since his arrest by the GHQ. Thanks to a cover story that he was interviewed by the GHQ for finding one of their cellphones…