Bank tellers are one of the most serious professions out there, but the women in these jobs tend to have Yui sexual desires that are contrary to their appearances. The three women who appear in this film are exactly that type of women, and in this film you can enjoy the eroticism of these capable women, both at the top and the bottom, as they satisfy their lower body desires while being embraced by major male clients, while also solidifying their positions within the bank.