Hiroyuki Tamakoshi

Hiroyuki Tamakoshi (玉越 博幸, Tamakoshi Hiroyuki) is a Japanese manga artist born in 1970. His manga are mostly his comedic take of an ecchi boy's harem romance themes. Most of his work has appeared in Weekly Shōnen Magazine, with Boys Be.and Gacha Gacha his best-known titles.

On September 14, 2022, Tamakoshi announced he had been diagnosed with stage 3 cancer and is undergoing four months of chemotherapy. On December 5, 2023, Tamakoshi announced he will be taking a break from manga.