Last Round Arthurs
is a Japanese light novel series written by Taro Hitsuji and illustrated by Kiyotaka Haimura. It was published in five volumes between July 2018 and January 2020. A manga adaptation, illustrated by Yuzuriha, was serialized in Monthly Young Ace from January 2019 to May 2020 and published on two volumes. Characters

 An overpowered Japanese boy who's done everything in his life and was ostracized by people for being too good at things. His parents ended up abandoning him because for the same reason. Out of boredom, he aids Luna, the weakest King candidate as her vassal for fun. He is later revealed to be the reincarnation of Merlin. An English-Japanese girl who is the weakest King candidate. She is the student council president of Camelot International High School. She forces Sir Kay to wear skimpy outfits to earn money as an escort and to promote her student council presidency campaign as an idol. She sold her Excalibur for money to prevent Monstre corp. from buying the school but she later got it back after Rintarou broke in Monstre headquarters and stole back her sword. She is disowned by her family after an offscreen incident where she got mad at her dad and beat him up, chewed him out, and publicly humiliated him. A member of the Knights of the Round Table who takes the 3rd seat. Kay serves as Luna's Jack and acts as her self-proclaimed older sister. She is forced by Luna to wear skimpy outfits to earn money as an escort and to promote Luna's student council presidency campaign as an idol. She is initially cautious of Rintarou but later accepts him. Despite accepting Rintarou, she doesn't approve Luna getting close with him and would rather let her date other men instead of Rintarou. She is the weakest Knight of the Round Table. Luna's former friend from Northern Ireland who is also a King candidate. Her family, despite their lineage and high status, are destitute and suffering from financial strife. According to her, potatoes are considered a luxury in her family. King Arthur's nephew and a member of the Knights of the Round Table who takes the 8th seat and serves as Felicia's Jack. He is married to Ragnelle. He is responsible for the death of Sir Lamorak with the help of Gaheris, Agravain, and Sir Mordred before Sir Lamorak returned as Emma's Jack. A French girl who's a representative of the Religious Order of Saint Joan and its prized pupil who is called La Pucelle, the Saint of Salvation. She met Rintarou while he was wandering around in Orléans and was briefly taught sword fighting by him. She and Luna compete for Rintarou's affections and his place as their own vassal. The student council secretary of Camelot International High School who is secretly a member of the Dame du Lac/Ladies of the Lake. She is later revealed to be the reincarnation of Nimue who was Merlin's love interest in the past. She still retains some feelings for Rintarou in the present. Sir Galahad ()

Media

Light novels
The light novels are written by Taro Hitsuji and illustrated by Kiyotaka Haimura. Fujimi Shobo published the first volume under their Fujimi Fantasia Bunko imprint on July 20, 2018. The series ended in its fifth volume, which was released on January 18, 2020. At Anime NYC 2018, Yen Press announced they licensed the series for English publication. Volume list

Manga
A manga adaptation, illustrated by Yuzuriha, started serialization in Kadokawa Shoten's Monthly Young Ace on January 4, 2019. The series concluded in Monthly Young Ace on May 2, 2020. The individual chapters were collected into two tankōbon volumes. In March 2020, Yen Press announced they would also publish the manga in English. Volume list

Reception
Sean Gaffney from A Case Suitable 
for Treatment praised the first volume for its fights, stating it was a good read overall. Demelza from Anime UK News also praised the first volume for its plot and illustrations. Antonio Mireles from The Fandom Post praised the first volume of the manga adaptation, though also noted that it ends a bit prematurely. Grant Jones from Anime News Network was more critical, calling it incredibly generic. See also
Akashic Records of Bastard Magic Instructor, another light novel series by Taro Hitsuji

References

External links
 Official website 
 

2018 Japanese novels
Adventure anime and manga
Japanese adventure novels
Fantasy anime and manga
Japanese fantasy novels
Fujimi Fantasia Bunko
Kadokawa Shoten manga
Modern Arthurian fiction
Seinen manga
Yen Press titles