Being just a little late to the party 😅
I binged S1 and S2 of this show and I think it's amazing: the animation was great (for 2015 and even good for 2024), the story was very compelling and had lots of twists and was deep, every time a story "layer" was peeled off, you'd find more and more interesting stuff inside, I absolutely loved this.
Characters - esp. the MC and his harem - were extremely likable IMO, and the music - esp. the OP and ED of both seasons, were top notch.
Seriously, a show that has an awesome OP and ED is NEVER a bad show, and this one is not an exception.
The only downside to this is that after 8 years (I'm writing this as 2024 is about to end) there has not been any plans to produce S3, which is a big big shame as from the looks of it, the source material has so much more to offer.
This show was a 9/10 for me. Still crossing fingers for a miracle to happen and somehow S3 being announced 🤞