A 17-year-old boy who became a hikikomori, shutting himself off from others and becoming obsessed with video games, after his childhood friend rejected him in middle school.LN 5.2.2 While on his way home from buying a video game, he tries to save a classmate from being hit by a tractor that he mistakes for a speeding truck and dies from acute stress reaction, after which he is transported to a fantasy world and becomes a role-playing game character.LN 1.P He has average stats in crucial categories, but above-average intelligence and high luck, neither of which are important to adventurers.LN 1.1.1 Because he never chooses a class, Kazuma is referred to as an "adventurer" and can learn basic skills and spells that would otherwise be exclusive to a single class, such as stealing, archery, monster detection, and basic magic and learns to overcome the limitations of his classless status by combining skills and spells. Because he often flirts with women, except for Aqua, who he finds attractive but is not in love with, his companions initially see him as a pervert hopeless in love, but over time he proves himself to be reliable and useful when the situation calls for it. Despite this, Megumin and Darkness fall in love with him over time, though he initially rejects Darkness when she confesses to him.
The goddess of water who likes to be worshipped for her status, especially by her devoted religion, the Axis Cult. She judges humans to be sent to the RPG world until Kazuma forces her to accompany him after provoking him by mocking his death.LN 1.P She is energetic and prideful, splurges most of the time, and is a crybaby, often bursting to tears when upset. As an archpriest and goddess, she is powerful against demons and the undead and can resurrect the recently deceased and purify water through her touch. She has high stats in both magic and physical capabilities, though her intelligence and luck are low.LN 1.1.1 As well, rather than learning combat-oriented skills, she spends most of her skill points learning her Nature’s Beauty skill.LN 1.1.7
A 14-year-old LN 14.3.3 archwizard who belongs to the Crimson Demons clan – humans with dark hair and crimson eyes, a high affinity for magic, and chūnibyō characteristics.LN 5.5.5 She refuses to learn other skills and knows a single spell: a powerful Explosion spell that depletes her mana and incapacitates her after a single use. Because of the spell's strength and side effects, she struggles to find a party to accept her before meeting Kazuma.LN 1.1.7 She eventually falls in love with Kazuma. She confesses her feelings to him, leading to them becoming a couple, but their secret is revealed when Darkness also confesses her love for him. She is the protagonist of the spin-off Kono Subarashii Sekai ni Bakuen wo!.
An 18-year-old crusader who possesses powerful offense and defense, but lacks the accuracy to deliver her attacks.LN 1.2.4 She is a masochist, but cares for her friends and becomes serious when issues involve them. It is later revealed that her true name is Lalatina Dustiness Ford (ダスティネス・フォード・ララティーナ, Dasutinesu Fōdo Raratīna), and that she is a noble from the influential Dustiness family who became a crusader against her father's wishes.LN 3.3.2 She, like Megumin, eventually falls in love with Kazuma.
The Devil King (魔王, Maō) is the main antagonist, who seeks to destroy humanity. According to legend, he was a talented but isolated, young boy who assumed the role of Devil King after defeating the previous Devil King.LN Ex. 2.E He has eight generals who serve him and must be defeated before his castle can be attacked.LN 2.3.2 The final novel reveals that his real name was Kyoichi Yasaka (八坂 恭一, Yasaka Kyoichi).
A dullahan and former knight who, despite being evil, retains a sense of honor from his time as a knight.LN 1.3.5 He becomes hostile towards Kazuma's party after Megumin uses his castle for Explosion practice. He is weak against water and is defeated by Aqua's purifying magic.LN 1.4.6
A general who ends up taking over management of Wiz's magic shop.LN 4.1.1 He is the devil of foresight and one of the dukes of hell and possesses the ability to read information about others. This ability does not work on those who are as powerful or more powerful than him, including the Devil King's generals, Aqua, and other gods, and Kazuma, whose cunning nature makes him difficult to read. He also has powerful combat skills, which he refuses to use on humans.LN 3.4.4 Planning to resign from his position as a boss,LN 3.E4 Vanir discovers a previously-cleared dungeon which he turns into his hideout, hoping to achieve his dream of tricking those who defeat him in battle into thinking there were riches inside a treasure chest, only to discover a piece of paper mocking them.LN 3.4.4 He is subsequently defeated by Megumin's Explosion spell and forms a second body to live in, moving to Axel and beginning to work at Wiz's shop.LN 3.E4 He holds a grudge against Aqua, who frequently attempts to purify him.LN 4.2.2
A poisonous slime with the ability to devour anything and take the form of those he devours, which he uses in an unsuccessful attempt to contaminate Alcanretia's hot springs.LN 4.5.4
A growth chimera with the ability to modify her own body, usually taking the form and voice of a woman. She attacks the home of the Crimson Demons, whom she despises for their frequent use of magic. She is the main antagonist in the feature film “KonoSuba: God's Blessing on This Wonderful World! Legend of Crimson”. LN 5.5.4
The evil goddess of violence and sloth, who the Devil King's subordinates worship.LN 9.4.3 She uses her vast reserves of mana to cast Explosion magic on the Belzerg fort at the frontlines, then teleport to safety. She was split into two entities, one of them humanoid and the other Chomusuke, Megumin's cat.LN 9.5.6 The Explosions spin-off series reveals that Wolbach had saved a young Megumin from her other self by using Explosion magic, which inspired her to learn the spell.LN Ex. 1.P
A powerful, yet timid and kind, lich wizard who was formerly one of the Devil King's generals. She was tasked with maintaining the barrier surrounding his castle,LN 2.3.2 though eventually leaves her position under a neutrality agreement that prohibits her from interfering with his army as long as his forces do not target non-combatants.LN 4.5.6 She uses her powers to aid civilians and guide lost spirits to the afterlife,LN 1.2.8 and also runs a magic shop in Axel, which Vanir later becomes the manager of.LN 4.1.4
Megumin's former classmate and daughter of the Crimson Demons' chief.LN 3.1.3 Unlike her peers, who are chūnibyō, she has a normal personality, causing her to be estranged from them. She is a highly skilled archwizard and forms a rivalry with Megumin in order to befriend her.
Another human Aqua sent to this world, who has a misguided perception that he is the ideal hero and that Aqua is a dignified goddess, which annoys Kazuma's party. He wields the cursed sword Gram as his chosen item upon entering the world until he loses it in a duel with Kazuma, who uses his Steal skill to steal it and sell it for extra money.LN 1.3.8 His companions are two girls who wield a spear and dagger, respectively.LN 1.3.9 After word of the Chivalrous Thief's burglaries spreads, Kyoya is summoned to the capital to serve as a guard.LN 6.3.6
A receptionist in the Axel guild.LN M.3.1 She works at the guild's counter, assisting adventurers in registering and providing quests.LN 1.1.1 Despite her attractive appearance, she cannot pursue romantic endeavors due to being busy with her work.LN M.3.6
Ruffian (荒くれ者, Arakuremono)
Voiced by: Tetsu Inada[2](Japanese); Imari Williams (English)
A recurring character who only appears in the anime. He lives in Axel and, despite being assumed to be an adventurer, works as an artisan weaver.[11]
Darkness' friend and a thief who teaches Kazuma the Steal skill.LN 1.2.2 She is Eris' mortal guise;LN 7.E2 in contrast with her docile nature as Eris, Chris is more energetic.LN 6.2.1 In the sixth volume, she becomes known as the Chivalrous Thief after targeting the houses of nobility to steal holy relics.LN 6.3.7
Eris (エリス, Erisu)
Voiced by: Ayaka Suwa(Japanese); Kira Buckland (English)
A kind-hearted goddess of the RPG world, whom Kazuma first meets after being killed in battle. Aqua is jealous of her because she is worshipped more than her despite being her junior goddess.LN 2.1.4 It is later revealed that Chris is her human persona in the world.LN 7.E2
A resident of Axel who was formerly a Dragon Knight and is now a delinquent and Kazuma's friend, who often gets drunk at the guild's tavern or arrested for petty crimes.LN 2.1.7LN 3.1.2 He wields a sword and travels with a party of three: Taylor, a sword wielder, Rin, a wizard, and Keith, an archer.LN 2.1.8 In the second volume, Dust and Kazuma switch parties for a day; while they both successfully complete their quests, Dust's quest almost results in disaster while Kazuma's goes better because of Dust's more competent party..LN 2.1.12
The head priest of Axel, who ends up contaminating the local water supply with purple slime.
Much of KonoSuba's story takes place in the Kingdom of Belzerg,LN 10.3.6 particularly in the city of Axel, where most rookie adventurers are located. One of Axel's landmarks is its guild, where adventurers can register for jobs and take quests.LN 1.1.1 Also located in Belzerg is the city of Alcanretia, one known for its hot springs and civilian population devoted to the Axis cult.LN 4.3.1
The special prosecutor of the Kingdom of Belzerg, who is in charge of serious crimes such as treason and conspiring with the Devil King. She was sent to arrest and investigate Kazuma when the teleported Destroyer core blew up Alderp's mansion.LN 3.1.1 Despite Kazuma's innocence, she remains suspicious of his activities and summons him to resolve various situations, including the confrontation with Vanir.LN 3.4.1
The Lord of Axel, whose mansion was destroyed after Kazuma teleports the Destroyer's core. As punishment, he attempts to manipulate the trial to sentence Kazuma to death, but fails after Darkness intervenes.LN 3.1.2 His estate is later under the scrutiny of Kazuma's party after a wave of robberies plagues the nation's nobility.LN 6.3.1
Alderp's son. A noble and kind knight of the realm, who Alderp arranged to marry Darkness.LN 3.3.6 After Darkness lies that she cannot marry him because she is pregnant with Kazuma's child, he decides to tell Alderp that he has declined the marriage.LN 3.3.11
Ignis Dustiness Ford (ダスティネス・フォード・イグニス, Dasutinesu Fōdo Igunis)
A prominent noble and Darkness' father, who disapproves of her adventuring lifestyle and attempts to arrange marriages for her, though to little success.LN 3.3.2 After Alderp's disappearance, he becomes the next Lord of Axel.LN 8.1.1
The 12-year-old princess of Belzerg. She is curious about adventure stories and develops a close relationship with Kazuma, whom she treats like her older brother, and has a brother complex.LN 6.2.4 Despite her age, she is proficient with swords, wielding a divine blade called Calibur.LN 10.2.3
A clan which is the main focus of the KonoSuba: An Explosion on This Wonderful World light novel spin-off series.
A student at Blood Academy who is friends with Dodonko. After Megumin learns that they are exploiting their friendship with Yunyun to get medicine for their parents, she forces them to repatriate Yunyum.
A black winged cat who was Wolbach's pet until Megumin adopted it. It is later revealed that it is one of two entities Wolbach split into, the other being her current self.
Pucchin (ぷっちん)
Voiced by: Mitsuhiro Sakamaki[16](Japanese); Joe J. Thomas[15] (English)
The PE teacher of Blood Academy.
^LN represents the Light Novel of the series in the format of X.Y.Z, where X represents the volume, Y represents the chapter, and Z represents the part. Chapter P represents the prologue while chapter A represents the afterword of the novel. Ex. and M. refer to the Explosions (Sekai ni Bakuen o!) and Consulting with the Masked Devil (Kono Kamen no Akuma ni Sōdan wo!) spin-offs.
"God's Blessing On This Wonderful Shop! (Kono Subarashii Mise ni Shukufuku o!)". KonoSuba. Season 1. Episode 9 (in Japanese). Event occurs at 4:46. Kazuma: You're... Ruffian: Welcome to Hell's door. Do your best, you daredevil. I can hardly wait. Kazuma:Occupation... Artisan Weaver? Huh? He wasn't an adventurer?!
