If you already watched the first season, you know that the characters had a huge plot event on the last episode, so they aren't the same on the second season. Honestly, the fact that the characters literally aren't the same (it's like they created a different dimension by altering the past) didn't go well with me. It created a quite a few plot holes that can already be seen on the first 4 episodes of season 2.
If I have to point out why I rate it "mixed feelings" is because the plot made us lose connection with the characters and the story itself. Also, the fact that the story has such a fast pacing (we have situations presented and solved within 5 minutes) desensitizes the viewer and makes the story confusing because it omits a lot of important moments.
I will give a quick example of both the plot hole and the omission of important moments: Tinasha is kidnapped by thugs. The scene isn't present in the anime, just the mention of it. Now, how in the world would such a powerful character like her be kidnapped by simple human thugs? That's a plot hole. And if that was the case, that she really was outplayed by simple humans, wouldn't it be important to properly explain in the anime about how this came to happen? That's an important scene that was omitted.
[EDIT] Now that I've watched the whole show, I'm leaning more towards recommeding this anime. Even though it has a complex plot with the concept of time travel and splitting dimensions, it wraps up somewhat nicely in the end and leaves us with a good aftertaste. It doesn't fix many of the issues and plot holes, and it's obvious that they didn't have enough screen time to cover the main content of the LN, but overall it's a good anime that deserves its rating.
