Ura Baito: Toubou Kinshi

"Ura Baito," also known as a shady part-time job, is a job that pays very well. The price you pay is your life. Yume Kokuryo and Nagomi Shirahama are seeking a large sum of money for some reason. To that end, they casually dive into various shady part-time jobs.

(Source: Shogakukan, translated)