Kentie is the original creator of the manga Room of Guilty Pleasure, also known by its Japanese title Guilty Hole: Oshiego Shika Shimei Dekinai Mise. The series began publication in May 2024 as a digital manga through the Comic Goichi platform, which is operated by the publishing company wwwave_comics. Kentie serves as both the author and illustrator of the series.

The story of Room of Guilty Pleasure centers on Mamoru Sasaki, an overworked and undervalued teacher who discovers a mysterious set of selection panels where his students shoe lockers once stood. After jokingly making a choice, he finds himself drawn into a forbidden nighttime relationship with a student, blurring the lines between reality and a dreamlike state called the Guilty Hole.

The series received an anime adaptation produced by Suiseisha, with animation by Studio Hōkiboshi. The anime is part of the AnimeFesta brand, known for producing short-form adult-oriented anime series that are released in both a censored broadcast version and an uncensored premium streaming version. The first episode premiered on the OceanVeil streaming platform on September 12, 2025, followed by a television broadcast starting October 5, 2025. Saburō Miura served as the director and series composer for the adaptation. In all credits for the anime, Kentie is listed as the original creator.

Kentie's work falls within the seinen demographic, and the manga is published in the romance and school life genres with adult-oriented themes. The series explores the dynamic of a taboo relationship between a teacher and his student, using elements of fantasy and surrealism to frame the narrative as a conflict between desire, guilt, and social norms. The manga is distributed digitally in English through platforms such as BookWalker.