Nowadays, for me personally, it doesn't happen often, but sometimes I just love to re-watch a show. I think it brings back so many memories. Not only that, but I think once you watch a show again after a few years, you can look at it from a different perspective. That being said, there are a few shows that I prefer to watch over others. These are the shows that I enjoy every single time I watch them. Without fail.
An OP can make or break an anime - it's one of the first impressions we, the viewer, get. Here, I talk about some of my favourite OPs. Well, six of them, to be precise.