I saw the billboard, I saw the TV ads. Kim Chiu wearing this purple shirt stating simply: “A coke a day keeps the badtrip away”. I want one. And I went to Bench Trinoma yesterday in the hopes of getting one. Turns out, you can’t buy the shirt, you gotta redeem one bottlecap saying you won a shirt to get it. So if you’ve met me, you know, I drink the stuff by the liter, you figure, easy peasy Japanesy right? Wrong. You see, at home I drink it by 1.5 liter bottles, and at the office, in cans. This is a challenge. Do i walk everytime to the grocery to…