Watashi no Kawaii Ano Hito

"I really don't know how I should feel when my much younger, very adorable coworker calls me cute."

Otsuka can't get her younger coworker Tamachi's compliments out of her head. What does it mean when she takes note of every little thing she does and calls her cute? Is her younger coworker just polite, itching to be her friend? Or perhaps she harbors different, deeper feelings...