No, they can't. This place has the ability to bring in people at different points in time though.
[He frowns, because he doesn't want to go into details of things that he hasn't even spoken about to Ichiru.]
My brother left with the vampire that attacked my family. I assumed he was dead for several years.
He wasn't.
[He frowns before adding.]
When you meet him, please don't say anything about that. I haven't told him. He knows about our parents death but not anything else.
He does look just like how you remember me. We're identical twins. I could have just lied and said that he was me...but it wouldn't be the truth. He wouldn't know you.