He started out writing tabletop role-playing games, before debuting as a novelist in 2008 and a screenwriter in 2013.

Kodachi grew up as the son of a physician, so he was interested in science from an early age.

[2] In 2008, Kodachi started writing professionally as a novelist with the novel adaptation of Macross Frontier.

[3] In 2013, he started working as a screenwriter for various anime series with Neppu Kairiku Bushi Road.

[5] This would help him be granted the position of writer for the main series, Boruto: Naruto Next Generations, which premiered the next year.