; : : A generally good-hearted guy, who was abused non-stop at school for being overweight. After being transported to another world by a mysterious god, he eats 10 fruits of evolution enhancing skills and his body to give him a more conventionally attractive appearance. He can learn how to use his new spells and abilities by simply observing them or reading them in books. : Upon reaching the city of Tillburt, he finds employment as an adventurer at the local guild but after helping defend Tilburt from an army of monsters, he becomes a teacher at Barbador Magical Academy. ; : :A monster girl belonging to the Kaiser Kong species. She falls in love with Seiichi after witnessing his strength in battle. Much like Seiichi, she eats from fruits of evolution granting her a human appearance. She later gains the ability to switch between her human and Kaiser Kong forms at will. Upon hearing Artoria has fallen in love with Seiichi, Saria comes up with the idea of Seiichi taking both Saria and Artoria as wives. : Because of her enormous strength, she requires no weapons and instead uses her fists. ; : : A veteran member of Tillburt's local adventurers' guild. Artoria was born with negative 2 million luck, making her a disaster and was referred as the Calamity so she worked solo as an adventurer, and chase off any friends to keep them safe. Seiichi gifts her a magic ring causes her luck to double into a positive 4 million. Unaware he put it on a proposal finger, she decides to start out as his girlfriend. : In battle, she wields the double-handed Grand-Axe, which can increase her attack power 4 times. Previously, she could channel her bad luck to increase her physical condition, entering as state called "Calamity Berserker". However, it is unknown if she can still use "Calamity Berserker" now her bad luck has been nullified. After receiving additional training from the Valkyries, she learns how to use ice magic. ; : : A female donkey Seiichi accidentally evolved into a human by feeding her a fruit of evolution during a race. She has an enormous appetite and will eat huge amounts of food. ; : : A
catgirl captured by the Kaiser empire and forced to work as an assassin. She attempts to assassinate King Ranze of Wimburg before being captured by Seiichi, who frees her from slavery and adopts her as a little sister. ; : : The student council president for Seiichi's school. She is one of the very few people who did not tease or bully him. Along with most of her classmates, she is recruited into becoming a soldier for the Kaiser empire, but she remains worried for Seiichi's safety. After being transferred to Barbador Magical Academy, she is disappointed to learn her high achievements with her training had made her unpopular with her fellow students. : Karen was originally tricked into wearing a slavery bracelet to tie her to the kingdom; however, after Seiichi frees her, Karen has him "enslave" her with it so she can be his spy. ; : : Known as the "Knight of Swords", Louise is the leader of the Valkyries, Wimburg's most prestigious military unit. Since childhood, she has been a prodigy at sword fighting and, despite her low aptitude for magic, she became captain of the Valkyries at a young age. Upon meeting Seiichi, she challenges him to a sparring session, which he wins; not getting she was supposed to have a date with him, as prize for a contest. Impressed by his skills, she asks him to become his apprentice, to which he reluctantly accepts. : She is also the sister of Florio Balze, the leader of Wimburg's magical division. She wields a magical weapon called the "Water God's Rapier", which she can use to channel her water magic to perform slashing attacks. ; : : Guscle is the guildmaster of Telbert Adventure Guild. He loves wearing boomerang pants. He has a big voice and a big body, and is a real brainiac, he's also a masochist and doesn't try to hide it. His trademark is his muscle pose. : Seiichi has a low opinion of Guscle, on average, since the guild master can't keep the perverts in the guild in line. ; : :Eris works as a receptionist in the Telbert adventure guild. She was also an ex-S class adventurer. She usually wears receptionist clothes while doing guild related work, and while showing her sadistic side she has a black whip and mask while wearing a blank skin-tight jumpsuit. ; : : A world guide of sorts, whom enjoys tormenting Seiichi with
exploding notes. He will appear after dungeons are cleared to congratulate Seiichi. ; : : A Japanese student who was also teleported into Barbador Magical Academy, alongside Karen. She is another childhood friend of Seiichi. She was a loner at school during junior high. Then she met Seiichi. Seiichi encouraged her that she is so cute. If she gets dressed up and speaks to everyone, she would make more friends. Every day she and he will eat lunch on the rooftop. She started to develop feelings for him. After then she got more friends. Seiichi stopped coming to the rooftop because he thought that her reputation will be damaged if he continued to be her friend. ; : : An undead skeletal monster of the "Dark Lord" class. He was formerly a human noble in love with his maid Marie, until he was betrayed by his own emperor and forced to flee to Saria's forest. Upon the death of Marie, he lost his humanity and formed a dungeon where could spend eternity alone with Marie's corpse. He is killed by Seiichi, but his soul is released by from his curse and he is allowed to reunite with Marie in the afterlife. ; : ; : ; : ; : ; : ; : : Agnos is a male student of classroom 7 that has a large pompadour, carries a bat and is very brash in his communication. He truly cares for his fellow classmates and wants to best classroom S. He eventually is able to access fire magic due to Seiichi liberating his body’s own magic energy. ; : ; : ; ; : ; : : An unseen entity that teleports Seiichi and his classmates into an alternate universe. Said entity attempted to cover its tracks by erasing all memory of the 800 people it kidnapped from the school; however, this is still suspicious as an empty school and photographs would prove something was off. :It
almost missed Seiichi because he wisely hid in the ceiling when God locked all the windows and doors; he only got sent due to falling through right before God left. ==Media==