If you’re a fan of the company Sanrio and their many cute characters, then you’re in for a treat in Seoul right now. From the Sanrio Lover’s Club Café to the Cinnamoroll Cafe, there are pop-ups and more just for the Sanrio lovers out there. Though Sanrio is all about the most kawaii (cute) characters of Japanese pop culture, this trend is not just for children. People in the 20s are jumping on it too. It seems that nostalgia is trending in Korea and anything that is a couple decades old or older is coming back in with a fun and cute vengeance. Are you ready for the revival? Or…