Oreimo is an excellent manga. It has a plot that some people can relate to and has a really intriguing story. The art is simple and easy to understand(No flashy detailed art). If your a girl otaku, then your sure to love this! It is a mixture of slice of life/comedy. This is personally my favourite manga and is probably rated 13+. It has only has 12 volumes which makes it a nice manga to collect(some have mangas can have 50 volumes...). Overall, I give this manga 10/10 and recommend it to all girl otaku.
-Danfonii