Naomi Guren is a manga artist and writer known for creating boys' love and erotic manga titles. Their professional career as a manga author began in 2006 with the series Oshioki Gakuen, for which they provided both the story and artwork. This series spanned three volumes and continued until 2012.

Over the following years, Guren created a number of one-volume manga series. These include Sakana no Ouji-san (2008), Masaka no Kintarou (2008), Shachou wa Erotic (2010), Miwaku no Modebiru (2011), Hisho to Ero Sick (2013), and Kai, the Super Bottom (2016). In 2018, Guren published Marudase Kintarou, a manga that serves as the primary source material for their most prominent credit in animation.

Naomi Guren is recognized as the original creator of the anime Marudase Kintarou, which was released as a short film in 2020. For this anime adaptation, they are credited as the original work's author and also contributed the ending illustration and wrote the lyrics for the theme song Ai wa Muteki. The anime is a direct adaptation of the manga of the same name, which was published by Junet.

The body of work by Naomi Guren consistently features themes and genres aimed at an adult audience, with a focus on romantic and comedic narratives within the boys' love category. Their artistic identity is defined by this specialization, and they have maintained a steady output of manga titles over a period spanning more than a decade. The adaptation of Marudase Kintarou marks their primary contribution to the anime industry as an original creator.