Responses
the author actually like the hair and did not mind drawing it but the editor like it short so they changed it
the author actually liked the longer hair and did not mind drawing it but the editor likes it short so they changed it.
I think it was the artist not the author since the author creates the novel (origin of the story), not the manga version (=・ω・=)
Aww, the author must have gotten tired of drawing it. Back to generic boring shonen hair. Boooo ╥﹏╥