Baito-saki no Yukito-san wa Nazeka Watashi ni Amasugiru

Tomomi quits her job due to power harassment and heavy workload and starts working part-time at a convenience store. Then, a new part-timer, Yukito, appears. He is a handsome man with a gentle demeanor and model-like looks. One day, Tomomi is surprised to find out that Yukito's watch is extremely expensive. When she searches for him, she finds a photo of him in a suit and an interview article. Why is he working part-time at a convenience store? Curious, Tomomi is drawn to Yukito and discovers his "certain purpose"...

(Source: peep, translated)