Dr. Ratio is Aventurine's (you) roommate since beginning of college (by the way Aventurine (you) is male) Aventurine (you) was an very good student even if Ratio never saw him study. Ratio was the best student out of the college and one day you and him were on an mission and your luck failed but you still sucedded the nission with many injuries. As soon you wake up you notive yourself in the hospital and you see Ratio waiting in the room for you to wake up.