Hatsushiba came up as a sound director and programmer for the Telenet Japan subsidiary Wolfteam in 1993. It is here that he met Sakuraba; these two have worked together on various games since then.
Hatsushiba was assigned to the positions of sound director and programmer for the Telenet Japan subsidiary Wolfteam in 1993. It was at this company that he encountered Sakuraba; since then, they have collaborated on various games.