Refund High School

 (고교생을 환불해 주세요, Gogyosaeng-eul hwanbulhae juseyo) was a Fantasy Webtoon Original created by LICO; it concluded on July 17, 2019. The original Korean Webtoon premiered on Naver and concluded on June 28, 2019.

There are works that have a universe like this series:


 * Ghost Teller: Same universe
 * Ghost Theater: Same creator, same universe
 * Garden Club Detective Squad: Same universe

Synopsis
''High-schooler Aru's dream of becoming an idol is cut short after dying in a car crash on her way to school. She finds herself being offered the option to be reincarnated into a fish... or attend Refund High School in the Underworld to change her fate. Will Aru be able to earn enough karma to reincarnate as the ideal version of herself?''

Aru Kim
Follow our main character as she is entered into a high school to reincarnate. Along the way finding friends, love, and fun. A loveable character whose pureness is too good for this world, Aru will enchant and make you want to read more.

Gunn Ryu
Gunn is a part of Aru's friend circle and she has had a crush on him since before death. The two were even in a relationship art parts during their time at Refund High. His character is shown as arrogant and over-confident. However, as they progress through school, he builds and improves, ending as a pleasant person.

Sehui Seong
A talented singer and dancer. Sehui dreamed of becoming an idol her whole life. After the car accident that causes her death Sehui is put into Reincarnation high where she will experience all sorts of adventures with her new found friends.

Mari Kim
Mari is a boisterous girl with a cool personality. Her ways of thinking change when she enters the school. Before her death, she was the labelled "bad girl" however, at school, she proves that she is in fact an amazing person who will do anything for the people she loves.

Grim Reaper
A teacher and reaper. He disguises his main job by teaching high schoolers after making a mistake out of the goodness of his heart. A softie and hottie, this lovable character supports another main character, Mook, through his journey in high school.

King Yemma
King Yemma is queen of the underworld, and principal of reincarnation high school. King Yemma has a kind heart towards some of the students at Refund high school.

Dicarius
One of King Yemma's helpers, Dicarius is one powerful being in refund high school and he is very strict about his order he receives form King Yemma. You could say Dicarius is half-crow, half-human. He may act like he doesn't like anyone that goes with the Grim Reaper, he is actually very nice.

Mook Lee
A kindhearted, brave young character. Mook is forced to keep his identity of a sea serpent a secret for the fear that he will be looked down upon or taken advantage of by other students. Mook is extremely brave and is shown throughout the story putting himself into harms way in order to protect those he cares about. Though he can come off as cold to others, he is very caring and protective to those he is close to. With love and friendship by his side, he survives Refund High School. Lee Mook, which is his Korean name is a wordplay for imugi which translates to sea serpent in English.

Owl
Owl patrols the school.

Sua Oh
One of the close friends of the main character Aru Kim. Sua is a shy young girl who has a deep fear of water despite her hair always being wet. She is very caring towards those she is close to and is always there for them, as seen when her three other roommates are fighting and she attempts to console them.

Dante Ahn
Dante was a previous student at Refund High School. He, like Mook, is a Sea serpent and was advised to hide it. However he misunderstood a though that the people at Refund High School were trying to overpower and suppress him. This caused him to do evil thing and got him sent to the Detention Centre where he was held captive like a prisoner. Later is the series, as the plot starts to thicken, he takes a test that allows him to re-join the school. He ends up causing more mayhem and getting further punished.

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