Story: So far it seems to be episodic with an over arcing plot line following the adventures (and pasts) of an umbrella salesman named Shiro and a policeman named Kojiro, in a place that seems reminiscent of Meiji era Japan. I say seems because the only way I can really describe the setting is steampunk, Japan-style. The author also seems to love huge plot twists, and pulls them off in a way that makes it actually believable, which is quite fun. Though there is a main plotline, the development of the relationships between the characters (aka bromances) also plays quite a large role.
Art: The art is fantastical and so very detailed, when I started it, the surroundings immediately reminded me of Howl's bedroom (from Howl's Moving Castle). For her first work, it sure doesn't look like it. You will have no difficulties telling the characters apart, each is drawn with their own quirks and intricacies (though you may not be able to tell gender at first sight for some). Also, they are often drawn in accidentally (deliberately) sexy positions, often with little clothing, depending on the character (haha, it's basically ecchi with men). But that's okay, because even if you're not into guys you can admire the very proportional human bodies.
Characters: The personalities of the characters remind me of the atmosphere they have been drawn into. She has created beautiful and intricate, but also deep and understandable people. They all have their own motivations, flaws, and odd habits (which are my personal favorite). Many of said motivations are not revealed until later on (and some still haven't been) but that's part of the reason I read on, not just to see more (mostly) naked men, but also for their development and why they are the people they have become.
Disclaimers: If you were hoping for rival-like tension between the mc's, that's not really what's there, it dissolves into friendship after basically the first chapter. Also, though one of the genres is shoujo, that does not mean that there is any female-male romance, or romance at all for that matter (some one-sided stuff here and there). I believe that this category is more because of it's "target" audience and the atmosphere it gives off. There are very few recurring women in this manga as well, especially for the number of recurring characters there are; I can only think of one off the top of my head. Oh, and of course if mostly naked men in *somewhat* to *very* sexual/sensual/suggestive positions every chapter bothers you immensely, even though there's no actual romance (though there is plentiful material for interpretive fanfiction), and hardcore bromance puts you off, then sorry, I guess you won't be able to enjoy the art and plot.
However, if none of the above bothers you and awesome art and crazy-ass cool plots are your thing, then please enjoy! (it's enjoyable ;) )
