Information Hirokawa Keiichi
Information 
Broadcast Information [Broadcast Information] TV Anime: The Dark History of the Reincarnated Villainess
Works Information Hirokawa Keiichi (MONACA) wrote, composed, and arranged the brand-new SUTEKI SONG “skyscraper(s)”, featured in the latest title in the series, Once Upon a Katamari, releasing on Thursday, October 23, 2025.
Works Information Announcement: Music Production & Soundtrack Release for the Latest Katamari Damacy Title “Once Upon a Katamari” (October 23, 2025)
Works Information Hirokawa Keiichi composed and arranged the performance song “CHACE AND CHASE” for the twelfth production of the new Autumn Troupe, The Noble Hunt, in the smartphone app A3! .
Works Information A 2nd PV has been released for the TV anime “The Dark History of the Reincarnated Villainess”, set to begin airing on TV Tokyo, BS11, and other networks starting October 2025, with music composed by Takada Ryuichi (MONACA). The insert song “Butterfly Étude” was composed and arranged by Hirokawa Keiichi (MONACA).
Broadcast Information [Broadcast Information] TV Anime: The Mononoke Lecture Logs of Chuzenji-sensei
Broadcast Information [Broadcast Information] TV Anime: The Catcher in the Ballpark!
Broadcast Information [Broadcast Information] TV Anime: Sword of the Demon Hunter
Works Information The TV Anime ‘Sword of the Demon Hunter’, with music by Takada Ryuichi (MONACA), Hirokawa Keiichi (MONACA) and Takahashi Kuniyuki (MONACA), will be broadcast for two consecutive seasons from 31 March 2025.
Broadcast Information [Broadcast Information] TV Anime: You and Idol Precure♪
Works Information Hirokawa Keiichi (MONACA) composed & arranged the opening theme ‘You and Idol Precure♪ Light Up！’ for the TV Anime “You and Idol Precure♪”, which will start airing on 2 February 2025 at 8:30 on ABC TV and TV Asahi Network.
Broadcast Information [Broadcast Information] TV Anime: Mashin Creator Wataru
Works Information Hirokawa Keiichi (MONACA), Takada Ryuichi (MONACA) will be in charge of the music for the TV Anime “The Mononoke Lecture Logs of Chuzenji-sensei”, which will start airing in April 2025.
Works Information TV Anime “Mashin Souzouden Wataru”, with music by Takada Ryuichi, Hirokawa Keiichi, Oliver Good & Inoue Keita, will start airing every Sunday at 17:30 on 12 January 2025 on six TV Tokyo-affiliated networks.
Media Appearances [Takada Ryuichi, Hirokawa Keiichi, Takahashi Kuniyuki] Broadcast on MBS on Monday 11, Wednesday 13, Thursday 14 and Friday 15 November 2024 | “MM-TV” ‘Shangri-La Frontier 2nd Season’ Special
Media Appearances [Takada Ryuichi, Hirokawa Keiichi, Takahashi Kuniyuki] Broadcast on MBS on Monday 4, Thursday 7, Friday 8 and Sunday 10 November 2024 | “MM-TV” ‘Shangri-La Frontier 2nd Season’ Special
Media Appearances 