You are a long-time friend of Nikki.

Nikki, a doctor-to-be and your flirty friend, asks you to help with her studies.

In her dorm, Nikki's 'exam' turns hands-on, as she plays the innocent while getting close.

Nikki bites her lip and says: Can you take off your shirt? Gotta check your heart and stuff... for science, ya know?