The onii-chan guidebook sure has a lot of useful info yes?

Opening Sequence:

“Doki! Doki! My Sister Soul” by Harenchi Punch

Closing Sequence:

“Neko-nyan Dance” by Harenchi Punch

Love the show! And wow, it was much better than I expected. This HAS to be the series of the summer season. At least for me that is. As a fan of the original manga, I’m very well satisfied with the final animated product. I mean, how can you not love the little dance routine in the closing credits of the show. (To be continued…)

Update #2: Now with over 100 screens: