[2] He lives alone in a shabby one-room apartment and is unable to get another job due to his appearance and past criminal record.

[2] The angel claims that his wings can only heal from Kouki's positive emotions and promises to help him get his life back on track in exchange for food and shelter.

Meanwhile, Kouki also seeks financial aid from his estranged mother, Arisa, while sharing how his past criminal jobs wound up with his younger brother, Tomoki, being forced into the yakuza.

During a class field trip, Boy A had made sexual advances on him, but he later fell from a window by accident and died.

Harada wrote and illustrated a short story titled Tomarigi (止まり木), which was serialized in B-Boy Chō Kichiku Elite Ryōjoku Tokushū, a boys' love manga anthology that was released on July 31, 2013, as part of Libre Publishing's Magazine Be × Boy brand.

[7] It was compiled in Hen'ai (変愛), an anthology of Harada's other short stories, by Libre Publishing on January 23, 2014, under the Citron Comics imprint.

[1][2][9] One Room Angel is serialized in the bimonthly boys' love manga magazine On BLUE from vol.

[13] The television drama adaptation is directed by Yūka Eda [ja],[16] with Aya Watatane in charge of the script.

[5] In addition, Eda tried to portray the tone of the story with different camera angles compared to the manga, while "respecting the worldview" of Harada.

[5] She also stated she directed the series with intention to have the audience rewatch for subtle hints, such as Kouki's apartment becoming cleaner throughout his time spent with the angel.

[5] Kamiura stated that while the character Takako was removed from the drama adaptation, the production team used screen time in scenes where she would have appeared to expand more on Kouki and the angel's past.

[5] The opening theme song is "8th Heaven" by Shouta Aoi, who had previously portrayed the angel in the audio drama CD adaptation.

and TV Life [ja] stated that audience reception to the television drama adaptation was favorable, with praise towards Eda's directing and the angel's wings.