Simlock Remove - How To In Case?

The case:
Im about to order a new cellphone from Japan via Ebay.
Its called " DOCOMO SHARP SH-06D NERV "
It runs on Android 4.0.4.It says its unlocked,but what am I going to do if its simlocked?

Here is the link:
DOCOMO SHARP SH-06D NERV EVANGELION SMARTPHONE UNLOCKED | eBay

These phones from Asia are usually always sim lock free. So don't worry.