Story - 8/10
I like time-related stories, the plot is unique and entertaining, shut-ins/failures are given a second chance at highschool to try and correct themselves and develop and improve their character to help them cope with the "real" world. The execution could do better but the plot itself would get me to watch it so that's why it's an 8.
Art - 7/10
It could do better, more often than not, I could not distinguish between Oga and Arata's RELIFE support, that says alot about their art. Also there seems to be just a little "oomph" missing with the characters that would bring them to life. It ain't a deal breaker but it could have been better.
Sound - 8/10
The OP and END songs were catchy, the voice acting was good. No complaints here, not masterpiece level that's why it's an 8.
Character - 7/10
It could do with more episodes, but I guess 12-13 episodes is the norm. I would have preferred more exposition and character development as some of the story arcs were too fast paced to me. I could not empathize on several of the characters because of lack of character development and background info on them.
Enjoyment - 8/10
I liked it. It had fun moments, it had humor, it had the usual romantic-comedy vibe and feel-good tensions with it. It's a school time-related anime. I mean, if you liked Steins;Gate, The girl that leap through time, Erased etc. then you are going to watch this and enjoy it regardless of this review.
Overall - 8/10
I rate this an 8 because it held my interest and I would watch a second season.
