Do they have pink sauce

Yes. Shrimp sauce-yum yum sauce. Whatever you want to call it.

Haven't seen

I've never seen a pink sauce there.

I have never seen a pink sauce. Its like an off white sauce. By the way, you can buy it at the grocery store.. I love Tokyo Express..

indeed

The white sauce taste good, in my opinion, not as good as the pink sauce

Yes but they call it white sauce