Are you a liberal arts student, a science student, or a high school student? However, although it is a liberal arts, there is also a work style called "humanities IT employee" who has been involved in the IT industry since he entered society. What is the job of a "humanities IT employee" who bridges customers and engineers and solves problems …? Based on actual experience by the author who belongs to MILIZE, which develops and operates a Web platform that utilizes AI and financial engineering. Let's introduce the "daily life of humanities IT employees". After graduating from a liberal arts university, the main character, Satoru Miura, who worked as a bank salesman for 10 years and changed jobs to an IT company, will use data to respond to customer issues.