You know it’s White Day when scores of panic stricken men storm the halls of department stores all across this nation in search of chocolate. But will you like what he gives you? White Day, the unofficial and purely commercial sister holiday of Valentine’s Day in Japan, strategically falls on March 14 each year. It’s the day on which those lucky guys that were given gifts on Valentine’s Day a month earlier give gifts back to the women that may have slaved over their handmade treats for hours. It’s also a decisive day for couples — will your Japanese man choose the perfect gift for you? And wil…