Anh trai kế đâm bài học giải phẫu, biến nó thành màn chơi ba người đầy tinh

I can't believe we have to memorize all of this.

The whole male reproductive system?

My step-sister and I have always been partners in crime,

whether it's for school projects or secret midnight snacks.

We really, really need to get the samples for figuring out