S01E01 A New Life
Ever had a nightmare that felt so real you could have sworn that it wasn’t just a dream? Mutou Kazuki was in that predictament–however! It was not a dream.
Buso Renkin
S01E13: Signs Of Death
After defeating the Homunculi, the flask Dr. Butterfly has with him activates and begins to drain energy from everyone inside the school. Papillon appears with his own buso renkin activated and challenges Dr. Butterfly to a battle, eventually coming out victorious.
Overview
The story begins when high school student Kazuki Muto is killed one night saving a mysterious girl from a monster, only to wake up in his school dorm, believing it to have been a dream; however, he soon finds out that dream wasn't a dream at all when a giant serpentine monster attacks him and his sister. Tokiko Tsumura, the girl he saved, explains that the monster is a homunculus. Kazuki had been attacked and killed by it when he was rescuing her; however, she, feeling responsible for him, revived him by placing a Kakugane medallion in his chest, serving as a replacement heart.
Episodes
S01E02 The True Form Homunculus
As Kazuki begins to learn more about his enemy and the source of his power he decides to assist Tokito in the eradication of the Homonculi in his town. As Tokito begins investigating the “haunted...
S01E03 You've Become A Little Stronger
Muto Kazuki and Tsumura Tokiko are investigating who is behind all the homunculi appearances and hostile acts. Only with two leads: He wears a Papillion Mask and attends Kazuki’s high school. With that in mind,...
S01E04 Another New Life
After searching hard for the Papillion Mask, they finally found him–although he was definitely not what they were expecting. He supposedly wanted to bargain with Kazuki: the antidote to the Homunculus attached to Tokiko’s body...
S01E05 To Protect Someone
Kazuki and Tokiko retreat to form a plan on how to defeat the eagle Homunculus but not all goes as planned when Tokiko receives possibly critical injuries. Hurt but not out for the count the...
S01E06 The Butterfly of Black Death
Kazuki finds Koushaku in his great-great grandfather's laboratory and attempts to destroy the Homunculus matter. However, due to the interference of Koushaku's younger brother, Koushaku is able to have the Homunculus matter attach to him...
S01E07 Whether or not You're a Hypocrite
Captain Bravo, a member of the Alchemist Warriors and the one who delivered the cure to Tokiko, offers Kazuki to join their mission on combating against the LXE, a group consisting of Human-type Homunculi based...
S01E08 A Night in the Dorm
During the night, Bravo takes Kazuki out to the woods for special training while Tokiko protects the kakugane acquired from the previous battle. Later on, a Homunculus named Jinnai uses a buso renkin and takes...
S01E09 The Hayasaka Twins
Kazuki and Tokiko befriend the Hayasaka twins, Shusui and Ouka. However, the twins are actually humans working with the LXE ordered to kill the Alchemist warriors at the school. When two LXE Homunculi invade the...
S01E10 It Seems We're Well Matched
The four begin to battle and Kazuki eventually inflicts a fatal wound on Shusui. Ouka uses her buso renkin and heals Shusui while at the same time receiving Shusui's wound on her own body. Due...
S01E11 Till Death Do Us Part
Tokiko proceeds to eliminate the twins but is stopped by Kazuki who argues that they are still human and deserve to live. Shusui inflicts a critical wound on Kazuki while he is distracted. However, Ouka...
S01E12 Carnival
Kazuki, Tokiko, and Bravo infiltrate the LXE's base only to find out Dr. Butterfly and his army of Homunculi are targeting Kazuki's school. While Bravo engages in battle with the Homunculus in the base called...
S01E13 Signs Of Death
After defeating the Homunculi, the flask Dr. Butterfly has with him activates and begins to drain energy from everyone inside the school. Papillon appears with his own buso renkin activated and challenges Dr. Butterfly to...
S01E14 Who Are You?
Before Dr. Butterfly dies, he explains that a man named Victor is inside the flask and that he is a being far superior to humans and Homunculi. Kazuki destroys the flask and engages Victor in...
S01E15 An Intermediate Existence
After a short battle, Victor concludes that it would take too much time to defeat Kazuki and leaves the school. After reuniting with Captain Bravo, Papillon leaves to research Victor in order to turn Kazuki...
S01E16 New Strength
That night, Gouta calls Tokiko out and tells her that Kazuki will be killed. Captain Bravo tells Kazuki that in six weeks, Kazuki will be passively draining energy from those around him like Victor and...
S01E17 When Dawn Comes
Tokiko manages to find Kazuki's body in the ocean and is able to revive him. Meanwhile, Gouta learns that a team led out by Alchemist Warrior Chief Sekima Hiwatari is sent to confirm Kazuki's death....
S01E18 The Escape
Tokiko explains that a mysterious person gave her Kazuki's kakugane and that person may know how to reverse the black kakugane's effect. Meanwhile, Papillon intercepts the team searching for Kazuki and engages one of its...
S01E19 As Long As I Can Protect You
Hiwatari's buso renkin separates Kazuki from Tokiko and Gouta. Papillon manages to defeat Ikusabe and learns about Kazuki's whereabouts from him. Tokiko and Gouta are able to defeat the enemy, Shinobu Negoro, and resume searching...
S01E20 With Strength And Spirit
Kazuki runs into Captain Bravo, engages him in battle but is soon overwhelmed. Despite the information Tokiko is able to relay, Bravo tells him that after he kills Kazuki, he will kill himself to repent...
S01E21 Gone Into Flame
Hiwatari engages the four in battle and Bravo is critically wounded in the process. Just before Kazuki and Hiwatari finish each other off, the Alchemist General, Shosei Sakaguchi, stops them explaining Kazuki's assassination has been...
S01E22 A Decision Is Required
The Alchemist Warriors find and engage Victor in battle. Meanwhile, Kazuki, Tokiko, Gouta, and Papillon arrive at the school and meet a mysterious figure who introduces herself as Victoria and leads them to her brain...
S01E23 Boy Meets Battle Girl
Kazuki and Tokiko spend time with their friends at the amusement park. After much thought, Kazuki decides what he will do with the white kakugane. Meanwhile, the battle between the Alchemist Warriors and Victor continues.
S01E24 When You Die, I'll Die With You
Kazuki retrieves the white kakugane from Alexandria and proceeds to where the battle between Victor and the Alchemist Warriors is taking place. Using his buso renkin, he forces the white kakugane into Victor; However the...
S01E25 No One Could Ever Take His Place
Kazuki had sacrificed himself to save the world and left Tokiko in tears. Life continues–Captain Bravo relays the news of Kazuki to his friends as Tokiko is hospitalized, Chouno is left reminescing in Kazuki’s memory....
S01E26 Period
Tokiko attacks Papillion in an attempt to settle the debt Kazuki made with him. Papillion makes no move until she threatens the large flask behind, which contains something he wishes not to be destroyed. Tokiko,...
Cast
Jun Fukuyama
Kazuki Muto
Ryoka Yuzuki
Tokiko Tsumura
Aya Hirano
Mahiro Muto
Hitomi Nabatame
Ouka Hayasaka
Kisho Taniyama
Shuusui Hayasaka
Masashi Ebara
Captain Bravo
Mitsuaki Madono
Koushaku Chouno
Sayuri Yahagi
Hanaka Busujima
Yu Kobayashi
Chitose Tateyama
Junko Minagawa
Madoka Maruyama
Kouki Harasawa
Deep Blessing Warrior
Katsumi Cho
Dr. Butterfly
