OL ShinkaronOL Shinkaron.

OL Shinkaron (OL進化論, Ōeru Shinkaron; lit. 'Theory of OL Evolution') is a Japanese yonkoma manga series by Risu Akizuki about OLs, or office ladies. It follows the daily lives of Minako and Jun, the coworkers, friends, family, and neighbors. It also had a short, spin-off series titled Okusama Shinkaron that focused on housewives.