Since yes, it is White Day and no, Shinjiro does not forget the people who got him things on V-Day and because he'd look for any excuse to cook, HERE'S THE LIST OF THINGS PEOPLE GOT.
All chocolates are homemade and of considerably large size.
Haruhi - She gets a chocolate bird under a sculpted chocolate basket.
Greed/ling - They each got chocolate dongs with their names written on them in Xingese. And it's still shitty.
Ran Fan - as opposed to one large chocolate, she got a box of small, bite-sized ones in the shape of animals (mostly puppies, kittens and swallows), plum blossoms, kunai, etc.
Allen - He got a chocolate lion (lol)
Ukitake - A chocolate bar with the design on the back of his haori drawn on it as well as a note about coming by to cook him dinner sometime soon.
Gon and Killua got two big boxes of chocolates each
Kaoru - He got a big chocolate rose
Polly - She got a nice, sized chocolate dragon which won't try to adopt her.
Maka - As opposed to chocolates, she got a nice cheesecake.
Beat - He didn't make him chocolate. Instead he got him like a PSP with some game or something. Anything to shut the little bro bastard up.
ALL OF THESE WERE DELIVERED ANONYMOUSLY, though odds are you can tell who did it by the craftsmanship/inside jokes. IF I FORGOT ANYONE PLEASE TELL ME, as I am currently trying to choke down my dinner and get ready to work the God of War 3 midnight release.
I get to wear something badass.
Look how badass I am.