[3] As it turns out, this devil girl named Maria was hired by Ryuji's father to live with them in order to teach his son "the pleasures of the flesh" and make him follow in the family's perverted footsteps.

[2][3] Ten de Shōwaru Cupid was the first of manga by author Yoshihiro Togashi serialized in the Shueisha magazine Weekly Shōnen Jump.

Togashi used his weekly messages to fans to recruit assistants by encouraging readers to send in their best work to his Shuiesha editor Toshinaga Takahashi.

In the last volume, Togashi also addressed plot holes, such as Ryuyi's middle school age or the fate of the characters Kakisugi and Kitou, by telling fans not to read too deeply into the story.

[9] Years after its conclusion, Togashi has admitted he considers Ten de Shōwaru Cupid a failure and that writing romantic comedy was beyond his capabilities.

[11] In addition, he felt intimidated by many of his more popular contemporaries within Weekly Shōnen Jump and that he was struggling to compete for the reader poll votes necessary to keep the series afloat.