Ask: Buy

Hallo! I'm new in this community! :D
and I want to ask, cause I'm new too in seifuku. so I want to start to buy seifuku~
i'm interest to buy uniform set of seifuku, which includes blazer, tie, shirt, and skirt.
my question is, where I can buy the blazer wiht emblem and button and what's the good brand for seifuku?
Its too hard for me to find. And are seifuku brand have lucky pack? If yes please tell me where I can buy it :D

thanks before <3~