Glass Mask is the second-best selling shoujo manga of all time. It tells the story of Maya Kitajima, an aspiring young actress who love performing and tries to make it big in the world of theater. It also has a lot of stories inside the story, including performances of famous titles including Little Women and A Midsummer Night's Dream.
ST&RS is a story set in the near future about a trio of students who want to go to Mars for the 'promised meeting' told in a message received from the space. They want to enroll in a Space Academy, but it's not as easy as it sounds. It's a new shonen manga serialized in Shonen Jump, so new, in fact, it only has 3 chapters as of now.
Genshiken is about a college group with the same name (it means something like The Society for the Study of Modern Visual Culture) which basically means the members are otaku. Some are into action figures, cosplay, or even H games, and they discuss them in the club. An enjoyable comedy series.
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Oh, I am one yet many.