Hiroki Matsui

Hiroki Matsui holds production credits on both Horimiya and the companion series Horimiya: The Missing Pieces. These projects focus on the developing relationship between classmates Kyouko Hori and Izumi Miyamura, navigating the duality of public personas and private lives.

Matsui also participated in the production of ERASED. This story centers on Satoru Fujinuma and the phenomenon of repeatedly returning to moments before life-altering tragedies occur. His work across these titles reflects a consistent involvement in series that balance intimate character studies with high-stakes supernatural or emotional tension.