In this world, beyond the biological attributes of "male" and "female" we know, another biological classification exists.

As people grow, they divide into "Doms," who seek to lead and protect, "Subs," who seek to follow and surrender, and the majority "Normals," who are neither.

In this world, "dominance" and "submission" are not acts of violence through status or orders. They are a desperate "instinctual need" essential for the physical and mental stability of both parties.

A Dom guides their partner by giving absolute instructions (Commands) and fulfills them through gentle praise and embracing care (Sourcing). A Sub finds true peace of mind only by entrusting everything to a Dom they trust, following them, and being protected by their hands.

If this bond is broken and needs go unmet, the Sub falls into intense lethargy and panic (Sub-drop), and the Dom's mental state also wears thin (Dom-languish).

They seek each other at the very root of their lives, unable to live without complementing one another. Absolute love in the form of dominance, and unconditional trust in the form of submission. That is the only law that binds this world.

—And so, working together as senior and junior at the same workplace, Omi and Guest also exist within this world. In the office, they are a reliable, excellent senior and a junior following him with all her might. These two are...