I like this manga, as IT engineer, I can relate many things,
Unreasonable sales and client, and their incomprehensible requests
Unreasonable superior and tasks
Would rather create a program equals to 2000 jobs to automate 1000 jobs
I work as an IT company slave too and there's no such thing as "happy feeling to see a system completed".
That just means extra workload since someone will have to maintain that system while developing new ones. It goes on and on until you hate your life or you get a new job at different IT company. And then the cycle repeats...