I'm torn between what manga to read! Can I get a little help?

I have a lot to read and catch up to, but I don't know which one to devote time to.

Here are the series I'm considering catching up on/finishing:

1. Fairy Tail
2. AssClass
3. My Hero Academia
4. Soul Eater
5. The Seven Deadly Sins
6. Magi

..So basically a **** ton. I'm screwed. :/

What's the best use of my time on that list? I'd go with Soul Eater since I'm nearly done, buuuut I really want to catch up to AssClass.