The drama is adapted from an online blog written by Bakarhythm between 2006 and 2009.In his blog, he transformed into an OL who works in a bank, with the pseudonym "Kakuno Masumi", and recorded every bit of her daily mood in the workplace from the perspective of a female first person, as well as the subtle and real emotional interactions between her and her surrounding people.The text is delicate and vivid, as if it brings readers into a professional woman's inner world that is both ordinary and profound.