The Angel Next Door Spoils Me Rotten

お隣の天使様にいつの間にか駄目人間にされていた件

The Angel Next Door Spoils Me Rotten (お隣の天使様にいつの間にか駄目人間にされていた件, Otonari no Tenshi-sama ni Itsu no Ma ni ka Dame Ningen ni Sareteita Ken, lit. The Case of the Neighbourhood Angel Turning Me Into a Degenerate Unaware) is a Japanese light novel series written by Saekisan and illustrated by Hanekoto. Originally published online on Shōsetsuka ni Narō, SB Creative has released eight volumes of the series under their GA Bunko label since June 2019. Yen Press holds the license to publish the series in North America in English. A manga adaptation with art by Wan Shibata and composition by Suzu Yūki has been serialized via Square Enix's online manga magazine Manga Up! since January 2022. As of December 2023, its chapters have been collected in three tankōbon volumes. An anime television series adaptation produced by Project No.9 aired from January to March 2023. A second season has been announced.