That time I was late to my FINAL EXAM because I DIED in a car accident and ended up in a fantasy world where some weird green person says I have to kill 3 people in 3 hours to go back to my world, or I’M GONNA FAIL MY EXAM AND DROP OUT OF MEDICAL SCHOOL

Sasha, a college student and aspiring surgeon on her way to final exams, dies in car accident and gets isekai'ed to another world, where she needs to kill three people to get back.