Murakumo Kouta

Personality
Rio describes him as serious, honest and with a strong sense of justice.

Background
Japanese high school student, he always liked his childhood friend Akane, when Rui began to live in japan a year before the summoning he entered the same high school as Kouta, he became member of the same club that Kouta, Akane and Rei, a club that worked in researching foreign languages where they would become friends.

History
When Rui entered the high school he became one of the top students easily, someone that was alway among the best in qualifications and club activities, at any moment Rui began to date Akane, something that added to the previous things made Kouta to almost hate Rui due to the jealously and a feeling of inferiority, but Rui was always a good friend to him, something that made hating him impossible for Kouta and also to feel a lot of culpability for the hate and anger that he felt for him by moments.

After the summoning with Rui's help as translator Rei, Kouta, Akane and one more girl that got dragged in Rui's summoning began to learn slowly Strahl's language, at this time Kouta was the one with more troubles learning the new language, something that increased his inferiority feeling even further and that made him to want to run away from him, the reason why he escaped with Christina from Bertram's royal castle.

After the battle in the border between Beltram and Galarc Kouta and Rui finally talked about their feelings and made up.

After arriving to Rodania he decide to work temporarily in Restoration while he prepares for becoming an adventurer because he wants to see the other world with his own eyes.

Relationship
'''Rui Shigekura: Kouta's friend, one of the summoned hero. '''

Saiki Rei: Kouta's senpai, noticing Kouta's feelings he decided to follow him when he escaped with Christina for making sure that he wouldn't poke his nose in something strange and because the life and the atmosphere of the royal castle felt too oppressive and strange for him.