Apparently Hiroki was in charge of the orchestration of all of pop'n music 6's songs, according to wac's song comments on the old page for Midori no kaze: https://web.archive.org/web/20150507184154fw_/http://www.konami.jp/bemani/popn/music15/mc/11/11_01.html
Should we consider this as proof that he arranged all the licenses in that game? Seems like it to me. Lupin especially sounded like him. --M.B. (talk) 10:10, 7 July 2019 (UTC)