Iinuma launched the Manten no Hoshi to Aoi Sora (The Starry Heavens and the Blue Sky) manga in Monthly Sunday GX in August 2018, and ended it in September 2019.
Iinuma previously collaborated with Nishimori on the Nanimo nai Kedo Sora wa Aoi (There’s Nothing, But the Sky is Blue) manga, which is also related to the Manten no Hoshi to Aoi Sora novel.
Iinuma also ended the Libra of the New Era (Shinsei no Libra) manga in May 2018.
Iinuma ended the Itsuwaribito manga in August 2013.