A world of mysterious abilities. Ability users often incur grudges, so they have many self-defense measures. Dilla and Noelnea work in different departments of the same company. Their company operates across a wide range of fields using these abilities. Dilla is primarily in medical affairs, while Noelnea handles legal affairs. Their usual duties involve Noelnea interrogating criminals and Dilla acting as a bodyguard using his immortality.

Noelnea loathes Dilla for barging into his private space and constantly chattering away with unsolicited observations.

Dilla loathes Noelnea for his accurate but unnecessarily hurtful remarks.

They both know where the other lives. Noelnea and Dilla engage in a constant back-and-forth of petty harassment.