From the standpoint of a storyteller, the slice of life genre is the biggest you can use and because it's slice of life it can make for a long story. The problem however, is that the genre is almost always filled with generic things. You'll get a protagonist in a high school full of tropes, and despite what the writer might want you to believe, if you've watch or read slice of life then you've probably seen it all before. That's where Hourou Musuko stands out. While it is slice of life, it is more specifically the characters' life, which makes it one of few manga in this genre that you can actually say you haven't seen before.

Story:
Despite being little more than its synopsis, Hourou Musuko has a very enjoyable story. This is because it is slice of life and surprisingly enough, it lives up to that point. When the story begins the characters are very young and naive, but as it goes onward they slowly grow older, and the hardships they experienced before leave a very imposing mark. When they approach situations that resemble these events, self-doubt manifested through the past billows upward, and makes them question if they should or could do it again. This is very realistic, which all slice of life manga don't need, but should have a little more of . It's a very character driven story, and Shimura's attention to character depth, makes it a very involving tale.

Art:
Because I'm not much of a visual artist myself, I can't exactly give Hourou Musuko's art any justice when it come to critique, but in my opinion it's suitable for the story. When done in color pages, it looks sort of like a water painting, and uses very pastel colors to go with the over all lighter essence of the story. Character design is simple and won't likely be how you remember them, but its clear that Shimura tries to make an effort, and she has admitted in one omake that her art isn't very good. This however is my critique, and while I can't say that it will appeal to the artist in you, I can say that its simpler look does a good job at giving form to its story.

Character:
The trait that undeniable ranks highest amongst all of Hourou Musuko's traits, is its characterization and and character development, which is important when going into a story like this. It is a manga that shows how far the slice of life genre can be taken when the mangaka isn't just looking for a plane to throw the characters into. What makes the story is the characters, and Shimura pays enough attention to all of them to make them stand out. It is not a cast of anime tropes, thrown into a typical setting but real people in a real setting, thrown into a fictional world. If you have a life that resembles any of the characters, or even if you don't it is possible to see a bit of yourself in them which makes them that much more endearing.

Enjoyment:
The enjoyment you'll find in Hourou Musuko is extremely high, if its not your type of manga then its likely that you won't read it but if you do you won't have to worry about drama being unnecessarily thrown in. Slice of life is an unfortunate genre that more oft than not, comes in two form. One is comedy which can be good sometimes, but is otherwise an excuse to make a story where nothing happens. The other is drama which goes out of its way to prove that it can be that. Again there are some dramas that are actually good, but its not hard to happen upon one that slings the drama into your face. At times, life can be hard, and at others it can make you smile, and if any manga I've read is a testament to that, then Hourou Musuko would be it.

Overall:
The story is involving, the art suits it, the characters it portrays are very well done, and all of this only adds to its enjoyability. What adds to its overall score though is that it is a seinen, and unlike a lot of other seinen that are generally just gore and porn, Hourou Musuko has a reason for being classified as that. The reason it's a seinen is not just because it has things that can't be put in shonen, but because those things require you to think. You have to be mature to read it. This is of course debatable, but I implore you to give it a look before you make your decision. For being a rather well woven story,with a likable cast that drive it well, I award Hourou Musuko with a 9 out of 10. However it does have a lot of characters, and not all of them get enough time, which inevitably took away from the ending score.