As a first-year university student, I ended up working at a convenience store for a short period of time as my first part-time job. By the way, I'm a DT, and a lot of unbelievable things happened at my part-time job! First of all, his older sister has big breasts like in a manga and is plump and erotic, which is a problem. What's more, he seemed to be interested in me, DT, and came to me as a slut, whispering lewd things under the guise of ``I'll use you as a practice base for sex.'' ``Let me train your cock.'' ``Do you want to cum?'' I'll let you ejaculate while I'm at work...