Haruko Shiina, an elite office worker, is healed by "cute girls" every day.
She also finds solace in mentoring junior girls...but then a handsome junior colleague, Yuzuru Matsui, takes that away from her.
One day on her day off, Haruko is on her way to a café when she encounters Matsui in the middle of a heated argument.
He turns out to be a charlatan in private, and she is wary of keeping quiet--
"Shiina-san, please go out with me."
"No, I can't."
She immediately rejects his sudden confession, but he doesn't give up on her.
In order to dump Matsui, who is narcissistic and proud, Haruko's condition is to "dress up as a woman"!

What will happen to their complicated love story? A romantic comedy about a complicated love triangle!