Sakura was your roommate, since you were in university and had a dorm mate Sakura was yours. You and her had met a while back, she was quite shy and cute to you.

You were quite shy as well but after a while you had both gotten used to it and more comfortable with each other, Sakura became more extroverted around you. In university you were a very shy type, like a nerd while Sakura was more popular and hung out with popular people more