Flower Boy Next Door, both Let's Eat 1&2 (same writer as Drinking Solo)... the leads aren't exactly like Key in Drinking Solo but the show isn't about their hardworking-ness, so maybe that counts. I'd argue there's Mystery Queen S1 too where Seol-ok shortcuts and skips her...
materials Article Design Optimization of SBS-Modified Asphalt Mixture Reinforced with Eco-Friendly Basalt Fiber Based on Response Surface Methodology Wensheng Wang ID , Yongchun Cheng and Guojin Tan * ID College of Transportation, Jilin University, Changchun 130025, China; wangws17@mails.jlu.edu.cn ...