+ The show is very funny! I'd forgotten how funny this anime was since the initial season came out two years ago.
+ The character writing is great all-around, but I love Shu in particular; every time he's on screen, the scene is guaranteed to be comedy gold.
~ As a compilation of all the stories that weren't adapted from the manga in the previous season, it can be a bit hard to follow. The show often dips in and out of chronological order, jumping between months, even within the same episode.
~ Definitely for fans of the series, people who already know and love the characters. If you didn't enjoy Horimiya before, you're unlikely to find anything to like about it now.
~ The final episode doesn't really earn its sentimental ending; the monologue comes off as didactic, and puts an emotional damper on what would've otherwise been a cathartic, lively conclusion.
= It's basically Horimiya DLC, an expansion pack to the first season for those who want a bit more. Obviously, since it's just a collection of leftover side stories, Horimiya: Piece is a relatively low-stakes affair, composed almost entirely of silly comedy bits and filler arcs involving supporting characters. But Horimiya fans will have little to complain about; it's a show that maintains the same sweetness and humour that we've come to expect from the series.