BARRIER BREAKER 9000 (Sans X Reader)
You are a 21 year old scientist. You love your job and never give up. One day you built a machine that took 7 years to make. It is going to help monsters get to the surface. But you fall down a whole meet new friends, and gain a crush.
Session 1: Complete
Session 2: Progress
Oh yeah so I'd like for you to read both sessions, because the sans x reader part actually starts in session 2, BUT session 1 is still amazing