The plot of a boy asking his sister to get braces comes from the anime "The Animation".

The story revolves around a device called "SCM", which is worn on the user's palate. When two people who also wear SCM meet, they can engage in a "showdown" with any content. The loser in the showdown will

Will become the slave of the winner and must unconditionally obey any request made by the winner.

Freelancer Eia Arakawa (voiced by Hibiki Yamamura) who looks cold but has a sense of justice in his heart, Yuka Ohta (voiced by Suzuki Routa) who is impulsive but very charming, and Katsushika Katsushika, a waitress who is extremely committed to feelings.

Riya (voiced by Senbongi Ayaka), the cunning cowherd Shinjuku Seiya (voiced by Midorikawa Hikaru), and Toshima Ayaka (voiced by Kinoshita Suzuna) who is full of love for Makoto. The story revolves around these people wearing SCM,

Urban men and women controlled and driven by desire unfold.