If so, you´re the first to answer the question,

if your imagination is for real.

If not, you´re not existing.

This is the most simple proof for a multiple reality. 

YRUREAL ? 

See ! The precondition for above evidence was,

that you-yourself is for real.

Assumption: If you want to realize a second

reality, you have to be real first.

The assessment to this question is:

Why are you real ? YRUREAL