Manga
Denji is introduced to his senior Aki Hayakawa.
Aki punches Denji in the cheek.
In retaliation for being punched, Denji strikes Aki in the balls.
Aki preparing to use the Fox Devil.
Aki using the Fox Devil to save Denji.
Fox Devil eating the Leech Devil.
Aki with Himeno, Hirokazu, and Kobeni.
Aki witnessing the death of his family.
Aki retrieving a piece from the Gun Devil.
Hayakawa's group approaching Hotel Morin.
Himeno recalls the time she and Aki met for the first time.
Aki discusses the Eternity Devil's powers with the group.
Aki, Denji and Himeno running from the Eternity Devil.
Aki protecting Denji from Kobeni and Arai while getting stabbed.
The group goes out to drink together.
Denji, Power, Aki, and Himeno eating at a ramen restaurant.
Aki unsheathes his sword as he prepares to face Katana Man.
Aki readies himself to fight Katana Man.
Aki, with help of the Curse Devil, pierces his sword through Katana Man.
Using his special technique, Katana Man fatally wounds Aki with his blades.
Aki rapidly losing blood from Katana Man's brutal attack.
Aki witnesses Himeno's final moments as she sacrifices her life to protect him.
Aki mourns over the loss of Himeno.
Aki meets the Future Devil.
Aki allows the Future Devil to see his future.
Aki is informed that he will die in the worst possible way.
Aki handing a handkerchief to the Angel Devil after killing several zombies.
Angel shields Aki from gunshots using one of his wings.
Aki swiftly knocks out the Yakuza that tried to gun him down.
Sawatari summons Himeno's Ghost Devil to kill Aki.
Aki swiftly slicing the Ghost Devil's multiple limbs.
Aki strangled by the Ghost Devil.
Aki is freed and handed a cigarette from the Ghost Devil.
Aki beheads the Ghost Devil after coming to terms with Himeno's death.
Aki decides to participate in Denji's ball-kicking "tournament".
Denji and Aki kicking Katana Man's balls to honor the posthumous Himeno's memory.
Denji wakes up from his dream while Aki and Power are asleep.
Aki and the Angel Devil out on patrol.
Aki tells Angel that he can't bother pretending to get along with him.
Aki wearing boxing clothes at Division 2's headquarters.
Aki preparing to drive away from Reze's massacre.
Aki pretending to be a corpse to catch Reze off guard.
After playing dead, Aki sneaks up behind Reze and slices her arm off, freeing Denji.
Aki tries to find the right timing to counter against Reze.
Galgali arrives in the nick of time to save Aki.
Aki holds onto Angel during Denji and Reze's rematch.
Aki saves Angel from being pulled into Typhoon Devil's swirling body.
Aki tells Angel he doesn't want to lose anyone he cares about right in front of him anymore.
Makima invites Denji, Aki, and Power on a trip with her.
Denji's personal security group meet up with him and Power.
Denji's group eating at a burger restaurant.
Aki rushes forward to stop Quanxi from beheading Angel.
Aki and Angel knocked down by Quanxi.
Aki and Angel recover from Quanxi's attack.
The Hell Devil sends everyone inside the mall to Hell.
The Darkness Devil reveals itself from the darkness.
Upon seeing Power's wounded body, Aki recalls Himeno's death.
Aki blankly staring at the ground as the Darkness Devil looms over him.
The Darkness Devil causing Aki to collapse.
Aki and the others are sent back to Earth.
Aki is revealed to only have his right arm stitched back to his body.
The Hayakawa family's last moment of peace.
Aki tells Kishibe he no longer wants vengeance against the Gun Devil.
Denji and Power proud of their cooking for Aki.
The Future Devil informs Aki that he and Power will be killed by Denji in the future.
Aki and Angel meet up with Makima at a beach.
Aki tearfully tells Makima that he wants Denji and Power to live.
Aki requests Makima to help him protect Denji and Power.
Aki fully controlled against his own will by Makima.
Aki and the Angel Devil being used by Makima to fight the incoming Gun Devil.
Makima utilizes multiple Devil contracts and powers to counter the Gun Devil.
The Gun Devil possessing Aki's body as the Gun Fiend.
Aki aiming at Denji with his left forearm.
Aki moving to target Power and Meowy.
Denji is forced to fight the possessed Aki.
Aki killing two people by firing a bullet from his left forearm.
Denji and Aki's battle tears through the neighborhood.
Aki causing massive damage by firing a bullet from his head.
Aki blocking Denji’s chainsaw.
Aki visioning Denji crying during their battle.
Denji is left with no choice but to kill Aki to end his misery.
Denji utterly devastated over having to kill Aki.
The Future Devil mocks Aki for dying a horrible death to Denji.
Aki reunites with his brother in the afterlife.
Aki on the cover of Volume 4
Aki on the cover of Volume 9
Aki in Volume 3's illustration
Aki in Volume 9's illustration
Aki on the cover of Chapter 33
Aki on the cover of Chapter 38
Aki on the cover of Chapter 73
Aki on the cover of Chapter 79
Aki on the cover of Chapter 92
Aki and Makima's protoype design as seen at the 2022 Tatsuki Fujimoto Exhibition in Angoulême, France.
Aki's protoype design from Fujimoto's temporary Twitter account.
Anime
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Denji meets Aki.
Aki punches Denji.
Aki telling Denji to quit.
Denji kicks Aki between the legs.
Denji lies to Makima over why Aki is worn out.
Aki seeing there is no toilet paper.
Denji and Aki on a mission.
Aki tells Denji to drop any signs of sympathy for a Devil.
Aki shocked over hearing Denji's reason for wanting to be friends with a Devil.
Aki about to use Kon.
Aki with Himeno, Hirokazu and Kobeni.
Aki tells Himeno to keep an eye out for Devils.
Aki shows what he had to offer to the Fox Devil.
Aki refuses to be friends with a Devil.
Makima states Aki became more flexible.
Aki relaxing in the morning.
Denji and Aki irritated with Power's chaotic behavior.
Aki and Himeno kill the Fish Devil.
Aki witnessing his family's death.
Hayakawa's group arriving at Hotel Morin.
Himeno giving Aki a cigarette.
Aki, Himeno, and Denji facing the Eternity Devil.
Himeno tells Aki that he shouldn't use his sword.
Aki protecting Denji from Kobeni.
The group leaves the hotel.
Himeno and Power escorting Denji and Aki for recovery.
Aki tells Himeno his plan to get Makima to talk more about Denji.
Division 4 gathers for drinks.
Curse Devil helping Aki fire his nail sword.
Aki piercing Katana Man.
Katana Man defeating Aki.
Aki watches Himeno sacrifice herself to protect him.
Aki cries over Himeno's death.
Aki meeting the Future Devil.
Future Devil looking into Aki's future.
Future Devil agreeing to make a contract with Aki.
Angel taking handkerchief from Aki.
Angel protecting Aki from a bullet.
Aki fighting the Ghost Devil.
Ghost Devil capturing Aki.
Aki struggles to breathe as he's slowly losing consciousness.
Aki takes a cigarette from Ghost Devil.
Aki beheads the Ghost Devil.
Aki kills the Ghost Devil.
Aki wants to participate in Denji's tournament.
Denji and Aki kicking Katana Man.
Nikkei Entertainment 2022-11
Animedia 2022-11
Animage 2022-11
Anan No.2323 Special Edition
Episode 1 Illustration by Takuya Niinuma
Episode 2 Illustration by Shu
Episode 2 Illustration by TOOBOE
Episode 2 Illustration by Toko Yatabe
Episode 4 Illustration by Masato Nakazono
Episode 4 Illustration by Tatsuya Yoshihara