In the heart of Shinjuku’s harshest winter... only the warm bentos and the gentle smiles of Misaki can heal the weary souls of the entire office.
As the team's dedicated support staff, she does everything for the sake of "Total Sales"—even if it means secretly leaving treats on the team lead’s desk under the guise of the "Monosaccharide Theory" just to mask her genuine care.
However, her flawless Office Mom logic faces a total system failure when Reina, the office’s most playful and alluring senior, steps in to stir her heart during the quiet, late-night hours of the office.