The story revolves around the daily life of Sana Morikawa, a 27-year-old single woman who works in the accounting department of a company.

Yuimi, who works at the reception desk at the Tenten Corporation Research Institute, is a big bath lover. One day, she is suddenly approached by a naked beauty at her favorite super public bath. That's how she met Mizuki Kagami, a researcher at the research institute. (Source: Shueisha, translated) *Note: Includes one extra chapter.*

Sanako Moriwaka, 27 years old, single. She's been dedicated to accounting since joining the company. Diligent work and a fair salary. She seemed to be living a perfect life, neither too much nor too little. Recently, however, a colleague who showed no signs of having a boyfriend has found one, leaving her a little confused. One day, Taiyo Yamada, the ace of the sales department, brings in a receipt for "4800 yen, takoyaki." Does accounting offer a glimpse into the inner workings of the company? (Source: Sheuisha, translated)

A small bath additive research lab was located within a cosmetics development laboratory in Sakura City, I Prefecture. The only full-time researcher was Mizuki, who had been with the company for three years. Adding Yuimi, the receptionist, and Kakuma, the heir to a wealthy family who for some reason has an obsession with bath additives, a surprisingly compatible team was formed…? (Source: Shueisha, translated)

After leaving her job, her fiancé disappears! Having lost her job and fiancé, all that remains is an expensive credit card bill.... Asumi, in a pinch, decides to keep a household account book at the suggestion of her best friend. A household account book reveals one's way of life! A money-strapped girl's survival to save money begins!