Horikoshi first attracted attention in the second half of 2006 when he entered Weekly Shounen Jump. In the same year he got the serialization of this one shot. 573u34

After some time he published a new one shot Jump Next!, and in 2012 he got serialization of it. In this year he gained some popularity also worldwide, like in USA and in Europe.

In 2014 he started Boku no Hero Academia, basing the series on some concepts from an old one-shot, and briefly the series became a very big hit, generating a franchise and winning some national and international prizes.

He was assistant of TANAKA Yasuki.

OOTAKE Toshitomo has worked as his assistant on both series.

He stated that OSADA Yu-Ko is one of his influences, Horikoshi also stated, that Osada’s drawings are the complete form of shounen manga.

He used to send One Piece fanart, his artwork once included in the Usopp Gallery Pirates of volume 23.

Some of his favorite manga are One Piece, Arai Hideki’s work.

He started reading American comics after the movie Spider-Man by Sam Raimi came out in 2002.
He has a sister.