An entertainment company , Avex Group Holdings Inc. manages Darvish 's non-baseball rights worldwide .
Darvish has appeared in ads for many companies , including Seiko , Asahi Dry Black Beer and Pocari Sweat .
An entertainment company , Avex Group Holdings Inc. manages Darvish 's non-baseball rights worldwide and Darvish has appeared in ads for many companies , including Seiko , Asahi Dry Black Beer and Pocari Sweat .