
Quick answer — Hiroki Hoshino worked on NIPPON SANGOKU: The Three Nations of the Crimson Sun (Original Work Assistance), Makeine: Too Many Losing Heroines! (Original Work Assistance).
Hiroki Hoshino worked on NIPPON SANGOKU: The Three Nations of the Crimson Sun (Original Work Assistance), Makeine: Too Many Losing Heroines! (Original Work Assistance).