Am I in the wrong in this situation?

[Greg]

Akira,
Childhood friends should be cherished and not discarded. However, it is not uncommon to drift apart from high school friends when you enter college and begin to mature and develop other interests.

I would relax and take each moment as it comes. When you are together, be friendly and polite and enjoy her company. Allow her to have her relationships with her friends. If you have something to discuss with her, enjoy the conversation. Don't try to force the friendship, let it evolve naturally.

If the friendship deepens, fine. If it begins to drift apart, embrace your new friends, but occasionally nurture the old friendships as well. Relationships with people are complex, they require some effort, but they really can't be forced.