Ichihi Yanagiwara is an original creator credited for manga works, primarily within the romance genre. Yanagiwara is listed as the original creator behind the manga Queen’s Stairs, which was released as a single tankoubon volume on May 21, 2009. Another credited work is Jyoshu no Houshu, a romance manga published as part of the Emerald Comics line, with art by Kasuga Kaoru. This volume was released on April 1, 2013. In these collaborations, Yanagiwara is credited as the original author (gensaku) while other artists handle the illustration. No information is available regarding the creator’s background, other original works, adaptation history, recurring themes, artistic identity, or industry significance beyond these published credits.